| 1945 GEN MOTORS CORP Reverse Gear Patent Print |
| 1945 GEN MOTORS CORP Power Transmitting Art |
| 1945 GEN MOTORS CORP Automatic Regulator Patent |
| 1945 GEN MOTORS CORP Governor Mechanism Patent |
| 1945 GEN MOTORS CORP Variable Pitch Propeller Control |
| 1945 GEN MOTORS CORP Coupler Supporting Centering |
| 1945 GEN MOTORS CORP Landing Gear Patent Print |
| 1945 LAWSON JOHN Switch GEN MOTORS CORP Patent |
| 1945 GEN STEEL CASTINGS CORP Railway Truck Art |
| 1945 GEN STEEL CASTINGS CORP Battle Tank Patent |
| 1945 GEN MOTORS CORP Link Belt Airplane Cannon |
| 1945 GEN MOTORS CORP Uncoupling Mechanism Patent |
| 1945 GEN MOTORS CORP Actuator Patent Print Art |
| 1945 GEN MOTORS CORP Switch Patent Print Art |
| 1945 GEN MOTORS CORP Propeller Construction Art |
| 1945 ENGEL GEORGE Metronome GEN TIME INSTR CORP |
| 1945 GEN MOTORS CORP Motor Vehicle Patent Print |
| 1945 GEN STEEL CASTINGS CORP Railway Truck Structure |
| 1945 GEN MOTORS CORP Gun Cooling Art Print |
| 1945 GEN MOTORS CORP Firing Mechanism Patent |
| 1945 GEN TIME INSTR CORP Metronome Patent Print |
| 1945 GEN MOTORS CORP Audible Stall Indicator Art |