| 1949 WILCOX Safety Mechanism For Firearms Patent |
| 1949 MINER W H Ratchet Pawl Mechanism Hand Brakes |
| 1949 IBM Automatic Lead Mechanism Gun Sighting |
| 1949 DEMPSTER Elevating Mechanism Fifth Wheels |
| 1949 GRAESSER Feeding Mechanism Sewing Machines |
| 1949 UNION ASBESTOS RUBBER CO Latch Mechanism Car Doors |
| 1949 GABRIEL Lift Mechanism Sliding Car Doors |
| 1949 WARD Automatic Lead Mechanism Gun Sighting |
| 1949 SMITH Thread Trimming Mechanism Sewing Machines |
| 1949 FRANK Loop Taker Mechanism Sewing Machines |
| 1949 ROEMER Safety Mechanism For Firearms Patent |
| 1949 WOOD Power Operated Tail Gate Mechanism Vehicles |
| 1949 DODGE Cylinder Rotating Mechanism Revolvers |
| 1949 RATAICZAK Operating Mechanism Machine Guns |
| 1949 MINER Mechanism Forcing Sliding Doors Open Closed |
| 1949 DATH Ratchet Pawl Mechanism Hand Brakes Art |
| 1949 LUNDVALL Latch Mechanism For Car Doors Art |
| 1949 JEFFREY CO Brake Mechanism Rail Cars Art |
| 1949 STOTZ Escapement Mechanism Alarm Clocks Art |
| 1949 BENSON Unloading Mechanism Wagon Bodies Art |