| 1941 MATTHEWS Switching Apparatus Patent Print |
| 1941 BLOOM NATHAN Game Apparatus Patent Print |
| 1941 JOHN A RUSSELL Game Apparatus Patent Print |
| 1941 BREITENSTEIN Bowling Apparatus Patent Print |
| 1941 GIRDEN BARNEY Game Apparatus Patent Print |
| 1941 SLOAT Load Carrying Apparatus Patent Print |
| 1941 MAYNES Amusement Apparatus Patent Print Art |
| 1941 VICTOR Game Playing Apparatus Patent Print |
| 1941 LE MAY Game Apparatus Patent Print Art |
| 1941 CORNELIUS Dumping Apparatus Patent Print |
| 1941 MILLIGAN Transport Apparatus Patent Print |
| 1941 COURTNEY Amusement Apparatus Patent Print |
| 1941 WILLIAMS Game Apparatus Patent Print Art |
| 1941 ROBERT Radio Control Apparatus Patent Print |
| 1941 BALLY MFG CORP Game Apparatus Patent Print |
| 1941 WILSEY IRVEN Game Apparatus Patent Print |
| 1941 LE MAY Racing Game Apparatus Patent Print |
| 1941 HOMSHER CARL Switch Apparatus Patent Print |
| 1941 HERR EDWARD Game Apparatus Patent Print Art |
| 1941 WOOD Light Recording Apparatus Patent Print |
| 1941 CHRISTIE Drop Pit Apparatus Patent Print |
| 1941 FIRESTONE JOHN Game Apparatus Patent Print |
| 1941 STARK EUGENE Game Apparatus Patent Print |
| 1941 MARTIN Track Circuit Apparatus Patent Print |
| 1941 OSCAR Ball Game Apparatus Patent Print Art |
| 1941 ALEXANDER Game Apparatus Patent Print Art |
| 1941 CHESTER Signaling Apparatus Patent Print |
| 1941 CHARLES Game Apparatus Patent Print Art |
| 1941 MATHIAS Illusion Apparatus Patent Print Art |
| 1941 WILLIG EDWARD Game Apparatus Patent Print |
| 1941 MCWHIRTER Control Apparatus Patent Print |
| 1941 LE Music Producing Apparatus Patent Print |
| 1941 MANSON Lifesaving Apparatus Patent Print |
| 1941 MANNFOLK Steering Apparatus Patent Print |
| 1941 ANDREW FERRERI Game Apparatus Patent Print |
| 1941 JOHNSTON DEWEY Game Apparatus Patent Print |
| 1941 JACOB PRESSMAN Game Apparatus Patent Print |
| 1941 ARNOLD Amusement Apparatus Patent Print Art |
| 1941 MOORE WILLIAM Game Apparatus Patent Print |
| 1941 CICERO Amusement Apparatus Patent Print Art |
| 1941 PERCY GARDNER Sewing Apparatus Patent Print |
| 1941 SMITH PERCY Game Apparatus Patent Print Art |
| 1941 TEMPLE Amusement Apparatus Patent Print Art |
| 1941 KOLTS TENNIES Game Apparatus Patent Print |