| 1933 SPRING ALVA Firing Device Patent Print Art |
| 1933 BERGANDER Antitheft Device Patent Print Art |
| 1933 WILLIAMS Lubricating Device Patent Print |
| 1933 TOSHICHI Life Saving Device Patent Print |
| 1933 SZUMKOWSKI Swimming Device Patent Print Art |
| 1933 ANTON MAREK Braking Device Patent Print Art |
| 1933 PEARL Automatic Signal Device Patent Print |
| 1933 DAY Golf Ball Cleaning Device Patent Print |
| 1933 KELLER Radio Timing Device Patent Print Art |
| 1933 CHRISTIAN Parachute Device Patent Print Art |
| 1933 ERNST DURST Signaling Device Patent Print |
| 1933 POTTLE Golf Practice Device Patent Print |
| 1933 GARVIN JOHN Signaling Device Patent Print |
| 1933 GRIFFIN Score And Tally Device Patent Print |
| 1933 GARDNER Golf Practice Device Patent Print |
| 1933 MAX WALD Signaling Device Patent Print Art |
| 1933 PIERCE Truck Loading Device Patent Print |
| 1933 BUTTERWORTH Car Loading Device Patent Print |
| 1933 ARTHUR J CURREN Game Device Patent Print |
| 1933 CLAUSEN ARTHUR Muting Device Patent Print |
| 1933 SMALL Coupler Operating Device Patent Print |
| 1933 RAY GRAHAM Amusement Device Patent Print |
| 1933 STEUR Sound Modifying Device Patent Print |
| 1933 HENRY KERSHAW Golf Tee Device Patent Print |
| 1933 PETER Submarine Rescue Device Patent Print |
| 1933 YOUNG Golf Ball Teeing Device Patent Print |
| 1933 NORVIEL HARRY Antitheft Device Patent Print |
| 1933 HUDSON JOHNSTON Bracing Device Patent Print |
| 1933 ALEXANDER Amusement Device Patent Print Art |
| 1933 LEET Vehicle Shipping Device Patent Print |
| 1933 MATT PETER Shade Sewing Device Patent Print |
| 1933 ORA BUNDY Truck Loading Device Patent Print |
| 1933 MARKLE JACOB Game Device Patent Print Art |
| 1933 SEYMOUR JOHN Game Device Patent Print Art |
| 1933 MILLER OSCAR Car Mover Device Patent Print |
| 1933 BOSCH ROBERT Signaling Device Patent Print |
| 1933 BEDELL EUAL Acoustic Device Patent Print |
| 1933 FREDERICS Time Control Device Patent Print |
| 1933 JOHN Clock Silencing Device Patent Print |
| 1933 PORTER Automatic Timing Device Patent Print |
| 1933 GRUSS Shock Absorbing Device Patent Print |
| 1933 SIBLEY EDWARD Amusement Device Patent Print |
| 1933 SCHIRMER CYRUS Signal Device Patent Print |
| 1933 RICHTER Valve Locking Device Patent Print |
| 1933 OEHLBERG Orthopedic Device Patent Print Art |
| 1933 JORDAN Holster Securing Device Patent Print |
| 1933 ALBERT HOSCHKE Mixing Device Patent Print |
| 1933 ST Buoyant Propulsion Device Patent Print |
| 1933 ADAMS Toy Explosive Device Patent Print Art |
| 1933 RICHARD Bell Ringing Device Patent Print |
| 1933 MILLER HARVEY Safety Device Patent Print |
| 1933 SARGENT Time Reminding Device Patent Print |
| 1933 DEIBEL CHRISTOPHER Game Device Patent Print |
| 1933 COATES Golf Scoring Device Patent Print Art |
| 1933 PAINE Ball Throwing Device Patent Print Art |
| 1933 ERIKSEN Golf Practicing Device Patent Print |
| 1933 KAVANAUGH Controlling Device Patent Print |
| 1933 ERNST WINKLER Swimming Device Patent Print |
| 1933 BONE HERBERT Clutch Device Patent Print Art |
| 1933 FREEL Time Indicating Device Patent Print |
| 1933 EDERLE GERTRUDE Aquatic Device Patent Print |
| 1933 HUMMEL FREDERICK Game Device Patent Print |