| 1941 LAWSON Shock Absorbing Device Patent Print |
| 1941 TEAL Electron Discharge Device Patent Print |
| 1941 BALL Counterbalancing Device Patent Print |
| 1941 HAWKES WILLIAM Climbing Device Patent Print |
| 1941 CLARK View Reflecting Device Patent Print |
| 1941 CARLSON Electric Timing Device Patent Print |
| 1941 PALMER JAMES Safety Device Patent Print Art |
| 1941 CORTEZ LOROW Amusement Device Patent Print |
| 1941 BENNETT ALFRED Braking Device Patent Print |
| 1941 RAETTIG Time Signaling Device Patent Print |
| 1941 LEE Instrument Flying Device Patent Print |
| 1941 BALES Golf Practice Device Patent Print Art |
| 1941 RUBY Automatic Game Device Patent Print Art |
| 1941 GEN ELECTRIC Time Delay Device Patent Print |
| 1941 CARL LURTZ Time Setting Device Patent Print |
| 1941 BEMIS KENNETH Timing Device Patent Print |
| 1941 WARREN GLENN Signal Device Patent Print Art |
| 1941 KARST Aquatic Amusement Device Patent Print |
| 1941 NAVIN Animal Trapping Device Patent Print |
| 1941 LEWIS NORMAN Horn Device Patent Print Art |
| 1941 DOERR CARL Game Device Patent Print Art |
| 1941 CANNON Drag Reducing Device Patent Print |
| 1941 FRANK Power Device Patent Print Art |
| 1941 GOBI WALDER Tuning Device Patent Print Art |
| 1941 DEAN FRANK Game Device Patent Print Art |
| 1941 EDWIN TRAVIS Feeding Device Patent Print |
| 1941 LOY BURT Ventilating Device Patent Print |
| 1941 ANTON Water Propelling Device Patent Print |
| 1941 BEATTIE Light Directing Device Patent Print |
| 1941 JAMES TAYLOR Blasting Device Patent Print |
| 1941 MCC Educational Game Device Patent Print |
| 1941 JOY ROBERT Door Lift Device Patent Print |
| 1941 PAUL Racket Stringing Device Patent Print |
| 1941 DAN Toy Or Amusement Device Patent Print |
| 1941 RUSH Golf Practicing Device Patent Print |
| 1941 FRANK RADICH Power Device Patent Print Art |
| 1941 SENN CHARLES Exercising Device Patent Print |
| 1941 CONNELL Golf Practicing Device Patent Print |
| 1941 MONTMARQUET Protective Device Patent Print |
| 1941 WALTER HANSELL Game Device Patent Print Art |
| 1941 NEAL EARL Amusement Device Patent Print Art |
| 1941 JYRKAS Fish Landing Device Patent Print Art |
| 1941 PHILIP Insect Catching Device Patent Print |
| 1941 BAUERMEISTER Exercising Device Patent Print |
| 1941 KNIGHT Interval Timing Device Patent Print |
| 1941 ENRIGHT Shrimp Trawling Device Patent Print |
| 1941 LA CHANCE Trolling Device Patent Print Art |
| 1941 JEAN Shock Absorbing Device Patent Print |
| 1941 ANTHONY RODRIGUEZ Game Device Patent Print |
| 1941 WEISS WALTER Measuring Device Patent Print |
| 1941 VENABLES Exercising Device Patent Print Art |
| 1941 GISH Shock Absorbing Device Patent Print |
| 1941 NEIL LARSON Ball Game Device Patent Print |
| 1941 VICTOR Amusement Ride Device Patent Print |
| 1941 NEBERGALL Hour Hand Device Patent Print Art |
| 1941 WRIGHT Aircraft Control Device Patent Print |
| 1941 DIEGO Railroad Safety Device Patent Print |
| 1941 COREN Looper Tensioning Device Patent Print |
| 1941 ERNEST Golf Ball Teeing Device Patent Print |
| 1941 AYERS EDGAR Time Delay Device Patent Print |
| 1941 VERONICA Exercising Device Patent Print Art |
| 1941 MCCLELLAN Exercising Device Patent Print |
| 1941 KREVIS EMIL Recording Device Patent Print |
| 1941 JOHN Safety Device For Boats Patent Print |
| 1941 FAHLEN Single Trigger Device Patent Print |
| 1941 FELIX Device For Filling Tanks Patent Print |
| 1941 MURRAY Radio Tuning Device Patent Print Art |
| 1941 KNAPP Stage And Display Device Patent Print |
| 1941 BIGGS CHARLES Delivery Device Patent Print |
| 1941 FRITZ LOEFFLER Timing Device Patent Print |
| 1941 UHL JR Timing Device Patent Print Art |