| 1944 JOSEPH LEDWINKA Brake Mechanism Patent |
| 1944 KARL Control Mechanism For Aircraft Patent |
| 1944 WERNER Bomb Release Mechanism Patent Print |
| 1944 NAPLER Hydraulic Control Mechanism Patent |
| 1944 DAVIS Pump Control Mechanism Patent Print |
| 1944 HILL Airplane Pickup Mechanism Patent Print |
| 1944 FRANK DITCHFIELD Door Lift Mechanism Patent |
| 1944 GROVES Hydraulic Actuating Mechanism Patent |
| 1944 SHEPPARD Transmission Mechanism Patent |
| 1944 LUDWIG ANDERSON Timing Mechanism Patent |
| 1944 OLSEN Automatic Gun Mechanism Patent Print |
| 1944 FEY Anchor Rope Mechanism Patent Print Art |
| 1944 PEDERSEN Bolt Mechanism For Rifles Patent |
| 1944 REINECKE ERWIN Timing Mechanism Patent |
| 1944 TUCKER Gun Control Mechanism Patent Print |
| 1944 EAGLE SIGNAL CORP Timing Mechanism Patent |
| 1944 SPARROW HUBERT Latch Mechanism Patent Print |
| 1944 STEPHEN Controlling Mechanism Patent Print |
| 1944 JAUCH Airport Fueling Mechanism Patent |
| 1944 GARAND JOHN Hammer Mechanism Patent Print |
| 1944 CAULKINS Gun Loading Mechanism Patent Print |
| 1944 INGRES Airplane Pickup Mechanism Patent |
| 1944 BUDD WHEEL CO Brake Mechanism Patent Print |
| 1944 SPENCE Cushioning Mechanism Patent Print |
| 1944 VANDER Forward Rowing Mechanism Patent |
| 1944 HANS FURBACH Stop Watch Mechanism Patent |
| 1944 SEITZ JOHN Firing Mechanism Patent Print |
| 1944 BEAUCHAMP Car Door Mechanism Patent Print |
| 1944 DE Hydraulic Actuating Mechanism Patent |
| 1944 REMINGTON ARMS CO INC Feed Mechanism Patent |
| 1944 JOSEPH Airplane Control Mechanism Patent |
| 1944 FEY LINCOLN Anchor Rope Mechanism Patent |
| 1944 THIBODEAU Firing Mechanism Barrier Patent |
| 1944 NEWELL GEORGE Brake Mechanism Patent Print |
| 1944 TUCKER Airplane Pickup Mechanism Patent |
| 1944 ROY GRADLE Trigger Mechanism Patent Print |
| 1944 THORNTON Work Clamping Mechanism Patent |
| 1944 SIMPSON CLARENCE Recoil Mechanism Patent |
| 1944 HAINES Propeller Control Mechanism Patent |
| 1944 LENNON Gun Elevating Mechanism Patent Print |
| 1944 LUCHT VICTOR Recoil Mechanism Patent Print |
| 1944 EKSERGIAN CAROLUS Brake Mechanism Patent |
| 1944 METZGER Uncoupling Mechanism Patent Print |