| 1944 UPSON Control Mechanism Airplanes Art Print |
| 1944 KARL Control Mechanism For Aircraft Patent |
| 1944 SINGER CO Take Up Mechanism Sewing Machines |
| 1944 PETER Feeding Mechanism Fringing Machines |
| 1944 CARL Escapement Mechanism Suitable Timing S |
| 1944 HUMESTON Gas Operated Actuating Mechanism Firearms |
| 1944 HANS Feeding Mechanism Sewing Machines Art |
| 1944 SINGER CO Loop Taker Mechanism Sewing Machines |
| 1944 LOUIS Winding Setting Mechanism Watches Art |
| 1944 JOSEF Trigger Mechanism Automatic Firearms |
| 1944 WALTER Feeding Mechanism Sewing Machines |
| 1944 PNEUMATIC Feeding Mechanism Sewing Machine Heads |
| 1944 HERMAN Presser Mechanism Sewing Machines |
| 1944 SWARTZ Feed Mechanism Machine Guns Art |
| 1944 GRAESSER Take Up Mechanism Sewing Machines |
| 1944 WALTER Rotary Hook Mechanism Sewing Machines |
| 1944 SWARTZ Breech Mechanism Automatic Firearms |
| 1944 THIBODEAU Firing Mechanism Barrier Patent |
| 1944 HALE Loop Taker Mechanism Sewing Machines |
| 1944 SINGER CO Presser Mechanism Sewing Machines |