| 1939 UNION Strip Tensioning Means Sewing Machines |
| 1939 DEMAREST Loading Means Freight Cars Art |
| 1939 ELSEY Coupling Means Locomotives Like Art |
| 1939 GIUSEPPE Parachute Opening Means Patent |
| 1939 DE Means For Rigging An Airplane Patent |
| 1939 WATTS Control Means For Transmitters Patent |
| 1939 BELL Means Adjusting Vibrating Systems Art |
| 1939 WILLY Projecting Means Submarine Signaling |
| 1939 TELEFUNKEN Method Means Influencing Field Sound |
| 1939 HEIMER Automobile Supporting Means Patent |
| 1939 ZELIE Aircraft Wing Heating Means Patent |
| 1939 OLUF Method Means Measuring Voltages Art |
| 1939 ILLINOIS Brake Hanger Retainer Locking Means |
| 1939 KNUT Means For Catching Fish Patent Print |
| 1939 SUVERKRUP Means To Load Vehicles Patent |
| 1939 LOMBARD HERMAN Fastening Means Patent Print |
| 1939 UPSON Damping Means Automobile Tops Like |
| 1939 SWAN Journal Box Guide Means Patent Print |
| 1939 MEANS TRUMAN Bed Patent Print Art |
| 1939 DORNVAN Door Operating Means Electric Couplers |
| 1939 CLARK EQUIPMENT CO Motor Mounting Means Art |
| 1939 JOSEPH Shielding Means Rear View Mirrors |
| 1939 SCHMIDT Parachute Braking Means Patent |
| 1939 BUDD EDWARD G CO Bar Supporting Means Art |
| 1939 GEN ELECTRIC Control Means Transmitters Art |
| 1939 LO GIUDICE Propulsion Means Patent Print |
| 1939 ATLAS Projecting Means Submarine Signaling |
| 1939 LO Propulsion Means Patent Print Art |
| 1939 DIEHL Deicing Means For Airplanes Patent |
| 1939 CARL THOM Egg Holding Means Patent Print |
| 1939 WILLIAM Cue Rack Slidable Locking Means |
| 1939 MERLIN Egg Supporting Means For Incubators |
| 1939 KASKELL Drive Means Vehicles Like Art Print |
| 1939 DORN Door Operating Means Electric Couplers |
| 1939 HELMUT Means Controlling Pendulum Clocks |
| 1939 PETER Aircraft Having Rotative Sustaining Means |
| 1939 ALBERT H TINNERMAN Fastening Means Patent |
| 1939 UPSON CO Damping Means Automobile Tops Like |
| 1939 POOL Lubricant Sealing Means Journals Art |
| 1939 MAX Means Protecting Wooden Propellers Art |
| 1939 HARRY Means Producing A Variety Trimming Effects |
| 1939 ROLAND Means For Assisting Take Off Patent |
| 1939 GODDARD Means For Steering Aircraft Patent |
| 1939 CONRAD Hydraulic Drive Means Bicycles Art |
| 1939 OTTO Method Means Influencing Field Sound |
| 1939 PENNSYLVANIA Coupling Means Locomotives Like |
| 1939 OSGOOD Means Preventing Theft Automobiles |
| 1939 WIDDIS Airplane Propelling Means Patent |
| 1939 KIRBY Securing Means License Plates Art |
| 1939 HUGO HEINE Means Protecting Wooden Propellers |
| 1939 MUELLER Bar Supporting Means Art Print |
| 1939 JOHNSON Brake Hanger Retainer Locking Means |
| 1939 THOMPSON Strip Tensioning Means Sewing Machines |
| 1939 HEATH Hoop Propelling Means Toys Patent 37617 |
| 1939 PORSCHE KG Springing Means Vehicles Art |
| 1939 SADTLER Means Combining Smocking Needlework Design |
| 1939 PRICE Sustaining Propulsive Means Aircraft |
| 1939 KARL Wheel Supporting Means Vehicles Art |
| 1939 CALDWELL Control Means Controllable Propellers |
| 1939 CALDWELL Control Means Aeronautical Propellers |
| 1939 MCDONALD Templet Operating Means Manufacture Cuffs |
| 1939 KARL Springing Means For Vehicles Patent |
| 1939 WILLIAMS Motor Mounting Means Patent Print |
| 1939 ESSANBEE HOLDING Securing Means License Plates |