| 1940 AEOLIAN AMERICAN CORP Piano Action Patent |
| 1940 REX WATSON CORP Bumper For Vehicles Patent |
| 1940 ZAP DEV CORP Wing Flap Patent Print Art |
| 1940 GEN MOTORS CORP Cover Support Patent Print |
| 1940 BREEZE CORP Fuel Tank For Airplanes Patent |
| 1940 GEN MOTORS CORP Bumper Guard Patent Print |
| 1940 CURTISS WRIGHT CORP Propeller Blade Patent |
| 1940 SHERWOOD GLENN Sled KAYWOOD CORP Patent |
| 1940 GEORGE SNYDER Bumper GEN MOTORS CORP Patent |
| 1940 SALSBURY CORP Motor Vehicle Patent Print |
| 1940 T MFG CORP AB Target Range Patent Print Art |
| 1940 GEN MOTORS CORP Robe Rail Mounting Patent |
| 1940 RCA CORP Frequency Responsive Relay Patent |
| 1940 GEN TIME INSTR CORP Alarm Clock Patent |
| 1940 CURTISS WRIGHT CORP Wing Slot Patent Print |
| 1940 CELANESE CORP Wearing Apparel Patent Print |
| 1940 AUTOCHUTE CORP Parachute Apparatus Patent |
| 1940 DRAVO CORP Hatch Cover Patent Print Art |
| 1940 GEN MOTORS CORP Steering Column Lock Patent |
| 1940 GEN MOTORS CORP Grille Guard Patent Print |
| 1940 BENDIX PROD CORP Shock Strut Patent Print |
| 1940 GEN MOTORS CORP Armature Support Patent |
| 1940 CHRYSLER CORP Radiator Grille Patent Print |
| 1940 SAVAGE ARMS CORP Rifle Patent Print Art |
| 1940 GEN MOTORS CORP Switch Patent Print Art |
| 1940 MARDEL CORP Sewing Machine Patent Print Art |
| 1940 CARDOX CORP Blasting Device Patent Print |
| 1940 BENDIX AVIAT CORP Shock Strut Patent Print |
| 1940 BRIGGS & STRATTON CORP Transmission Patent |
| 1940 IND PATENTS CORP Calf Feeder Patent Print |
| 1940 SEVERSKY AIRCRAFT CORP Aircraft Wing Patent |
| 1940 REGENT APPLIANCE CORP Dump Truck Patent |
| 1940 MCKIERNAN TERRY CORP Boat Winch Patent |
| 1940 FMC CORP Spray Rig Or The Like Patent Print |
| 1940 KAYWOOD CORP Sled Patent Print Art |
| 1940 LIONEL CORP Toy Dump Car Patent Print Art |
| 1940 BELL AIRCRAFT CORP Control Unit Patent |
| 1940 RCA CORP Remote Indicating System Patent |
| 1940 GEN MOTORS CORP Bumper Patent Print Art |
| 1940 BENDIX RADIO CORP Landing System Patent |
| 1940 GEN TIME INSTR CORP Time System Patent |
| 1940 UNITED AIRCRAFT CORP Beaching Gear Patent |
| 1940 SEVERSKY AIRERAFT CORP Aircraft Patent |
| 1940 DRAVO CORP Hatchway Cover Patent Print Art |
| 1940 BENDIX PROD CORP Airplane Brake Patent |
| 1940 CURTISS WRIGHT CORP Airplane Patent Print |
| 1940 RCA CORP Loud Speaker Patent Print Art |
| 1940 MODEL BRASSIERE CORP Undergarment Patent |
| 1940 EXNER VIRGIL Bumper GEN MOTORS CORP Patent |
| 1940 RECONSTRUCTION FINANCE CORP Trailer Patent |
| 1940 LIONEL CORP Toy Vehicle Patent Print Art |
| 1940 WELIN DAVIT AND BOAT CORP Winch Patent |
| 1940 HILL ROBERT Switch GEN MOTORS CORP Patent |