| 1941 GEN MOTORS CORP Lock Switch Coil Patent |
| 1941 GEN MOTORS CORP Electric Switch Patent |
| 1941 GEN MOTORS CORP Railway Brake Rigging Art |
| 1941 GEN MOTORS CORP Electric Circuit Controller |
| 1941 GEN ELECTRIC Heating Control Patent Print |
| 1941 GEN ELECTRIC Time Delay Device Patent Print |
| 1941 GEN STEEL CASTINGS CORP Railway Truck Art |
| 1941 GEN MOTORS CORP Spring Clip Patent Print |
| 1941 GEN Railway Truck Construction Method Making Same |
| 1941 GEN AIRCRAFT CORP Airplane Wing Patent |
| 1941 GEN Shiftable Mounting Electric Vehicle Motors |
| 1941 GEN MOTORS CORP Signal Switch Patent Print |
| 1941 GEN STEEL CASTINGS CORP Railway Motor Truck |
| 1941 GEN STEEL CASTINGS CORP Dump Scow Door Art |
| 1941 GEN TIME INSTR CORP Time Controlled System |
| 1941 GEN TIME INSTR CORP Timing Mechanism Patent |
| 1941 GEN TIME INSTR CORP Time System Patent |
| 1941 GEN ELECTRIC Time Switch Patent Print Art |
| 1941 GEN MOTORS CORP Locomotive Door Construction |
| 1941 GEN Railway Axle Box Pedestal Structure Art |
| 1941 GEN ELECTRIC General Purpose Time Switch |
| 1941 GEN MOTORS CORP Cushion Attachment Patent |
| 1941 GEN MOTORS CORP Locomotive Pilot Construction |
| 1941 GEN STEEL CASTINGS CORP Railway Truck Structure |
| 1941 GEN TIME INSTR CORP Alarm Clock Patent |
| 1941 GEN Clock Associated Timekeeping Mechanism |
| 1941 GEN ELECTRIC Railway Vehicle Structure Art |
| 1941 GEN MOTORS CORP Switch Mechanism Patent |
| Vintage 1941 "Diesel, The Modern Power" Pub. by Gen Mot |