| 1941 BUCKEYE Braking Mechanism Railway Car Trucks |
| 1941 VAUGHN Control Mechanism Dirt Hauling Vehicles |
| 1941 EMILE Controlling Mechanism Radio Sets Art |
| 1941 MORSE Mechanism For Pianos Patent Print Art |
| 1941 MCCLISH Trip Mechanism Tail Gates Art Print |
| 1941 MAURICE Automatic Tuning Mechanism Radio Receivers |
| 1941 MARIS Centering Mechanism Locomotive Trucks |
| 1941 LEGROS Binder Mechanism For Skis Patent |
| 1941 ALBERT Firing Mechanism Multiple Guns Art |
| 1941 SAVAGE ARMS CORP Trigger Sear Mechanism Firearms |
| 1941 W Kettle Drum Tuning Mechanism Tympano Art |
| 1941 NOVACK Control Mechanism Airplanes Art |
| 1941 STERTZBACH Braking Mechanism Railway Car Trucks |
| 1941 HINEMAN Undercarriage Mechanism Vehicles |
| 1941 WILLIAMS Sear Mechanism For Firearms Patent |
| 1941 KEITH Mechanism Producing Angular Movement |
| 1941 BALDWIN CO Mechanism For Pianos Patent |
| 1941 WERNER Operating Means Mechanism Chronographs |
| 1941 GEORGE Time Setting Mechanism Radio Receivers |
| 1941 LUDWIG Kettle Drum Tuning Mechanism Tympano |