A DIGEST OF PATENTS, ISSUED BY THE UNITED STATES, INCLUDING THE YEARS 1839, 1840, AND 1841; TO WHICH IS ADDED THE PRESENT LAWS RELATING TO PATENTS

A LIST OF PATENTS GRANTED BY THE UNITED STATES FROM APRIL 10, 1790, TO DECEMBER 31, 1836; WITH AN APPENDIX CONTAINING REPORTS ON THE CONDITION OF THE PATENT-OFFICE IN 1823, 1830, AND 1831. FAC SIMILES OF ORIGINAL DOCUMENTS BY PHOTOLITHOGRAPHY

ANNUAL REPORT OF THE COMMISSIONER OF PAT (PB)

ANNUAL REPORT OF THE COMMISSIONER OF PAT (PB)

ANNUAL REPORT OF THE COMMISSIONER OF PAT (PB)

ANNUAL REPORT OF THE COMMISSIONER OF PATENTS (VOLUME 2)

ANNUAL REPORT OF THE COMMISSIONER OF PATENTS VOLUME 1

ANNUAL REPORT OF THE COMMISSIONER OF PATENTS VOLUME 2

CATALOGUE OF ADDITIONS TO THE LIBRARY OF THE U.S. PATENT OFFICE, MAY 1, 1878-MAY 1, 1883

CATALOGUE OF THE LIBRARY OF THE UNITED STATES PATENT OFFICE, 1878 (CLASSIC REPRINT)

CELEBRATION OF THE BEGINNING OF THE SECO (PB)

CLASSIFICATION BULLETIN OF THE UNITED STATES PATENT OFFICE; CONTAINING THE CLASSIFICATION OF SUBJECTS OF INVENTION ... VOLUME 18-19; NOS. 21-39

CLASSIFICATION BULLETIN OF THE UNITED STATES PATENT OFFICE; CONTAINING THE CLASSIFICATION OF SUBJECTS OF INVENTION ... VOLUME 40-44

CLASSIFICATION DEFINITIONS VOLUME 23-41

CLASSIFICATION DEFINITIONS VOLUME 42-45

CLASSIFICATION DEFINITIONS VOLUME 46-57

CLASSIFICATION OF SUBJECTS OF INVENTION OF THE UNITED STATES PATENT OFFICE, ARRANGED BY DIVISIONS WITH CLASSES AND SUBCLASSES IN EACH

CLASSIFICATION OF SUBJECTS OF INVENTION OF THE UNITED STATES PATENT OFFICE; ARRANGED BY DIVISIONS, WITH CLASSES AND SUBCLASSES IN EACH. REVISED TO JULY 1, 1908

CLASSIFIED INDEX OF SUBJECTS OF INVENTION ADOPTED IN THE U. S. PATENT OFFICE

CODIFICATION OF THE PATENT LAWS (CLASSIC REPRINT)

COMMISSIONER OF PATENTS ANNUAL REPORT

DECISIONS OF COMMISSIONER OF PATENTS AND U.S. COURTS IN PATENT AND TRADEMARK AND COPYRIGHT CASES

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS (PB)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (558-569)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (CLASSIC REPRINT)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 132-137)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 138-149)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 150-161)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 1873)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 1877)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 1879)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 1882)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 1905)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 198-209)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 222-233)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 234-245)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 246-257)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 306-317)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 342-353)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 354-365)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 366-377)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 414-425)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 438-449)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 462-473)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 486-497)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 510-521)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES (VOLUME 534-545)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 162-173

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 174-185

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 1871

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 1880

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 1881

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 210-233

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 270-281

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 282-293

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 330-341

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 390-401

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 474-485

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADE-MARK AND COPYRIGHT CASES VOLUME 546-557

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADEMARK CASES (VOLUME 138-149)

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF THE UNITED STATES COURTS IN PATENT AND TRADEMARK CASES VOLUME 910

DECISIONS OF THE COMMISSIONER OF PATENTS AND OF UNITED STATES COURTS PATENT CASES

DECISIONS OF THE COMMISSIONER OF PATENTS FOR THE YEAR 1872 (CLASSIC REPRINT)

DEFINITIONS OF REVISED CLASSES AND SUBCL (PB)

DEFINITIONS OF REVISED CLASSES AND SUBCLASSES OF SUBJECTS OF INVENTION IN THE UNITED STATES PATENT OFFICE. ARRANGED IN NUMERICAL ORDER. A SUPPLEMENT T

DEFINITIONS OF REVISED CLASSES AND SUBCLASSES OF SUBJECTS OF INVENTION IN THE UNITED STATES PATENT OFFICE; ARRANGED IN NUMERICAL ORDER. A SUPPLEMENT TO THE MANUAL OF CLASSIFICATION

GENERAL INDEX OF THE OFFICIAL GAZETTE AND MONTHLY VOLUMES OF PATENTS

IN THE MATTER OF THE INTERFERENCE BETWEEN THE APPLICATION OF HENRY CARMICHAEL, FOR LETTERS PATENT FOR MACHINE FOR FORMING HOLLOW-WARE FROM WOOD PULP, FILED DEC; 11, 1885

LIST OF PATENTS FOR INVENTIONS AND DESIGNS

LIST OF PATENTS FOR INVENTIONS AND DESIGNS, ISSUED BY THE UNITED STATES, FROM 1790 TO 1847; WITH THE PATENT LAWS AND NOTES OF DECISIONS OF THE COURTS OF THE UNITED STATES FOR THE SAME PERIOD

LIST OF PATENTS FOR INVENTIONS AND DESIGNS; ISSUED BY THE UNITED STATES, FROM 1790 TO 1847, WITH THE PATENT LAWS AND NOTES OF DECISIONS OF THE COURTS OF THE UNITED STATES FOR THE SAME PERIOD

MANUAL OF CLASSIFICATION

MANUAL OF CLASSIFICATION OF SUBJECTS OF INVENTION OF THE UNITED STATES PATENT OFFICE

MANUAL OF CLASSIFICATION OF SUBJECTS OF INVENTION OF THE UNITED STATES PATENT OFFICE

MANUAL OF CLASSIFICATION OF SUBJECTS OF INVENTION OF THE UNITED STATES PATENT OFFICE; REV. TO JANUARY 1, 1920 (INCLUDING CLASSIFICATION BULLETIN NO. 43)

OFFICIAL GAZETTE OF THE UNITED STATES PA (PB)

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME . 125, 1-4

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME . 48, 6-13

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 1

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 102

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 105

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 108, PT. 1

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 112, PT. 1

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 115, PT. 1

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 120

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 120, NOS. 8-9

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 121, NO. 1

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 123, NOS. 3-5

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 124, NOS. 1-2

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 124, NOS. 5-7

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 133

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 135

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 137

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 138

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 140

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 140

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 144

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 147

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 147

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 149

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 15

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 150

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 151

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 152

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 153

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 155

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 155

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 156

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 158

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 160

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 161

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 161

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 163

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 163

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 164

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 165

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 167

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 170

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 171

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 173

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 174

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 175

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 177

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 178

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 183

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 184

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 184

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 186

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 186

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 19

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 191

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 192

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 194

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 195

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 195

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 198

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 2

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 205

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 229

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 230

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 232

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 237

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 239

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 241

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 243

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 245

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 246

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 248

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 249

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 250

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 250

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 251

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 252

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 255

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 256

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 257

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 259

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 261

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 261

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 262

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 263

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 265

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 266

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 267

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 268

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 269

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 27, NOS. 6-13

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 271

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 272

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 273

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 273

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 274

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 274

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 275

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 276

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 277

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 279

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 280

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 282

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 283

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 284

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 284

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 285

OFFICIAL GAZETTE OF THE UNITED STATES PATENT OFFICE VOLUME 286