| 1939 GIUSEPPE Parachute Opening Means Patent |
| 1939 DE Means For Rigging An Airplane Patent |
| 1939 WATTS Control Means For Transmitters Patent |
| 1939 HEIMER Automobile Supporting Means Patent |
| 1939 ZELIE Aircraft Wing Heating Means Patent |
| 1939 KNUT Means For Catching Fish Patent Print |
| 1939 SUVERKRUP Means To Load Vehicles Patent |
| 1939 LOMBARD HERMAN Fastening Means Patent Print |
| 1939 SWAN Journal Box Guide Means Patent Print |
| 1939 MEANS TRUMAN Bed Patent Print Art |
| 1939 SCHMIDT Parachute Braking Means Patent |
| 1939 LO GIUDICE Propulsion Means Patent Print |
| 1939 LO Propulsion Means Patent Print Art |
| 1939 DIEHL Deicing Means For Airplanes Patent |
| 1939 CARL THOM Egg Holding Means Patent Print |
| 1939 ALBERT H TINNERMAN Fastening Means Patent |
| 1939 ROLAND Means For Assisting Take Off Patent |
| 1939 GODDARD Means For Steering Aircraft Patent |
| 1939 WIDDIS Airplane Propelling Means Patent |
| 1939 HEATH Hoop Propelling Means Toys Patent 37617 |
| 1939 KARL Springing Means For Vehicles Patent |
| 1939 WILLIAMS Motor Mounting Means Patent Print |