| 1939 GEORGE Parachute Apparatus Patent Print Art |
| 1939 FERRIS Elevating Apparatus Patent Print Art |
| 1939 WEIS Portable Sewing Apparatus Patent Print |
| 1939 KEITH HENRY Game Apparatus Patent Print Art |
| 1939 BABCOCK ALFRED Game Apparatus Patent Print |
| 1939 SWENSON GUSTAVE Game Apparatus Patent Print |
| 1939 ROBINSON HAROLD Game Apparatus Patent Print |
| 1939 MOSS Skill Dart Game Apparatus Patent Print |
| 1939 CUPSTID DALLIS Game Apparatus Patent Print |
| 1939 ROBERT Golf Training Apparatus Patent Print |
| 1939 PERCIVAL Game Apparatus Patent Print Art |
| 1939 ARTHUR GUEYDAN Toy Apparatus Patent Print |
| 1939 WILSEY IRVEN Game Apparatus Patent Print |
| 1939 HUGGINS MERION Radio Apparatus Patent Print |
| 1939 BARTON Board Game Apparatus Patent Print |
| 1939 ROTTER Lubricating Apparatus Patent Print |
| 1939 SHELTON ROBERT Game Apparatus Patent Print |
| 1939 FRED ROCK Game Apparatus Patent Print Art |
| 1939 NORMAN Amusement Apparatus Patent Print Art |
| 1939 COREY Radio Tuning Apparatus Patent Print |
| 1939 HENRY Board Game Apparatus Patent Print Art |
| 1939 WILLIAMS HARRY Game Apparatus Patent Print |
| 1939 MARK Coin-Freed Game Apparatus Patent Print |
| 1939 GRAYAR WELLS Game Apparatus Patent Print |
| 1939 IRVING Apparatus For Bowling Patent Print |
| 1939 PAYSON Boat Trailer Apparatus Patent Print |
| 1939 GREENE ALBERT Game Apparatus Patent Print |
| 1939 WARNER Amusement Apparatus Patent Print Art |
| 1939 JACOBSON Loading Apparatus Patent Print Art |
| 1939 CHEATHAM JR Game Apparatus Patent Print Art |
| 1939 ATHEY ISAAC Game Apparatus Patent Print Art |
| 1939 MANNFOLK Steering Apparatus Patent Print |