| 1939 COLSON CORP Lift Jack Patent Print Art |
| 1939 AVIAT CORP Operating Control Surfaces Airplanes |
| 1939 ZAP DEV CORP Flap Device Patent Print Art |
| 1939 CHANDLER EVANS CORP Pump Patent Print Art |
| 1939 LINTERN CORP Sanding Overhead Cranes Art |
| 1939 UNITED AIRCRAFT CORP Method Launching Seaplanes |
| 1939 SEVERSKY AIRCRAFT CORP Aircraft Structure |
| 1939 GILPIN AUTOLOCK CORP Automobile Lock Patent |
| 1939 UNITED AIRCRAFT CORP Airplane Control Art |
| 1939 SIMMONDS DEV CORP LTD Fastening Art Print |
| 1939 UNITED AIRCRAFT CORP Cowl Nose Section Radiator |
| 1939 TEMPLE SAFETY ON SEA CORP Lifesaving Garment |
| 1939 RCA CORP Tuning Control System Radio Receivers |
| 1939 WINGFOOT CORP Motor Mounting Inflatable Boats |
| 1939 UNITED AIRCRAFT CORP Propeller Drive Patent |
| 1939 LIONEL CORP Toy Aircraft Patent Print Art |
| 1939 GEN MOTORS CORP Freight Car Loading Art |
| 1939 RCA CORP Velocity Measuring Device Patent |
| 1939 BREEZE CORP Bulkhead Door Patent Print Art |
| 1939 AVIAT CORP Controllable Pitch Propeller Art |