| 1941 GEN MOTORS CORP Lock Switch Coil Patent |
| 1941 GEN MOTORS CORP Electric Switch Patent |
| 1941 BENDIX AVIAT CORP Shock Strut Patent Print |
| 1941 DORNVAN CORP Drawbar Anchor Patent Print |
| 1941 MURRAY CORP Sewing Head Patent Print Art |
| 1941 RCA CORP International Chronometer Patent |
| 1941 RCA CORP Electric Piano Patent Print Art |
| 1941 CURTISS WRIGHT CORP Beaching Gear Patent |
| 1941 BENDIX AVIAT CORP Flow Control Valve Patent |
| 1941 O C DURYEA CORP Car Construction Patent |
| 1941 BREWSTER AERONAUTICAL CORP Aircraft Patent |
| 1941 CELANESE CORP Parachute Patent Print Art |
| 1941 BARBIZON CORP Lady'S Slip Patent Print Art |
| 1941 GEN MOTORS CORP Spring Clip Patent Print |
| 1941 GEN AIRCRAFT CORP Airplane Wing Patent |
| 1941 UNITED AIRCRAFT CORP Airplane Patent Print |
| 1941 CHRYSLER CORP Railway Vehicle Patent Print |
| 1941 MARGON CORP Manufacture Of Doll Eyes Patent |
| 1941 TRUMP PRODUCTS CORP Switch Control Patent |
| 1941 GEN MOTORS CORP Signal Switch Patent Print |
| 1941 ZAP DEV CORP Aileron And Flap Patent Print |
| 1941 SYMINGTON GOULD CORP Side Bearing Patent |
| 1941 RCA CORP Electric Piano Construction Patent |
| 1941 BENDIX AVIAT CORP Propeller Patent Print |
| 1941 BALLY MFG CORP Game Apparatus Patent Print |
| 1941 UNITED AIRCRAFT CORP Aircraft Patent Print |
| 1941 MODEL BRASSIERE CORP Brassiere Patent Print |
| 1941 BELL AIRCRAFT CORP Control Column Patent |
| 1941 BENDIX PROD CORP Brake Patent Print Art |
| 1941 BOCJL CORP Propeller Patent Print Art |
| 1941 LIONEL CORP Controller Toy Trains Patent |
| 1941 GEN TIME INSTR CORP Timing Mechanism Patent |
| 1941 DOWTY CORP Ski Trimming Lock Patent Print |
| 1941 GEN TIME INSTR CORP Time System Patent |
| 1941 SMITH RICHARD Toy LIONEL CORP Patent Print |
| 1941 FALK CORP Gear Stabilizer Patent Print Art |
| 1941 RCA CORP Electric Carillon Patent Print Art |
| 1941 DORN HERBERT Draft Gear DORNVAN CORP Patent |
| 1941 BENDIX AVIAT CORP Valve Patent Print Art |
| 1941 BENDIX AVIAT CORP Outboard Motor Patent |
| 1941 ST LOUIS AIRCRAFT CORP Airfoil Patent Print |
| 1941 SEVERSKY AIRCRAFT CORP Airfoil Patent Print |
| 1941 BENDIX AVIAT CORP Chronograph Patent Print |
| 1941 LIONEL CORP Toy Railroad Patent Print Art |
| 1941 GEN MOTORS CORP Cushion Attachment Patent |
| 1941 BARBIZON CORP Bobbin Dispenser Patent Print |
| 1941 SMITH CORP A O Vehicle Tank Patent Print |
| 1941 NAT FITCH CORP Demountable Tank Body Patent |
| 1941 BELL AIRCRAFT CORP Wing Beam Patent Print |
| 1941 GEN TIME INSTR CORP Alarm Clock Patent |
| 1941 RCA CORP Metronome Patent Print Art |
| 1941 RCA CORP Control Circuit Patent Print Art |
| 1941 KOCH WINFIELD Metronome RCA CORP Patent |
| 1941 RCA CORP Messenger Call Box Patent Print |
| 1941 BELL AIRCRAFT CORP Pressed Wing Rib Patent |
| 1941 CONS AIRCRAFT CORP Fuel Dump Valve Patent |
| 1941 WHITING CORP Drop Pit Apparatus Patent |
| 1941 RCA CORP Radio Remote Control Patent Print |
| 1941 GEN MOTORS CORP Switch Mechanism Patent |
| 1941 DORNVAN CORP Draft Gear Patent Print Art |
| 1941 RCA CORP Electric Musical Instrument Patent |
| 1941 WRIGHT AERONAUTICAL CORP Oil Tank Patent |
| 1941 WELTE MIGNON PIANO CORP Player Piano Patent |
| 1941 UNITED AIRERAFT CORP Spoiler Patent Print |
| 1941 JOHN W HOBBS CORP Electric Clock Patent |
| 1941 MOTOR WHEEL CORP Dust Guard Cover Patent |
| 1941 BELL AIRCRAFT CORP Hinged Mount Patent |