| 1943 CALDWELL Counterrotating Propeller Patent |
| 1943 ERLE Propeller Blade Fairing Patent Print |
| 1943 ALFRED A DORMAN Propeller Patent Print Art |
| 1943 THADDIUS ADAMTCHIK Propeller Patent Print |
| 1943 CURT KELLER Aircraft Propeller Patent Print |
| 1943 ERNEST Aircraft Propeller Drive Patent |
| 1943 HACKETHAL PAUL Propeller Patent Print Art |
| 1943 HAMMOND Propeller Control System Patent |
| 1943 SINK BURSON Propeller Guard Patent Print |
| 1943 JUNGER HENRY Propeller Spinner Patent Print |
| 1943 MCCAULEY Aircraft Propeller Hub Patent |
| 1943 FREDERICK E STONE Airplane Propeller Patent |
| 1943 WILLIAM Airplane Propeller Patent Print Art |
| 1943 EVERTS WALTER Propeller Patent Print Art |
| 1943 JAMES RUSSELL KENNEDY Propeller Patent |
| 1943 EDWARD Variable Pitch Propeller Patent |
| 1943 HOOVER Propeller Transfer Bearing Patent |
| 1943 SENSENICH Aircraft Propeller Patent Print |
| 1943 ANDERSON Propeller Blade Mounting Patent |
| 1943 JOHN PRUCHA Silent Propeller Patent Print |
| 1943 ADOLF Adjustable Pitch Propeller Patent |
| 1943 MESSINGER Swimming Propeller ROMANO Patent 47320 |
| 1943 JAKE AKINS Propeller ALFRED A DORMAN Patent |
| 1943 NEWCOMB Propeller Shaft Connection Patent |
| 1943 HELFEDA S A Aircraft Propeller Drive Patent |
| 1943 LEA Controllable Pitch Propeller Patent |
| 1943 GOODMAN WILLARD Propeller Fairing Patent |
| 1943 MORSE Protection Of Propeller Blades Patent |
| 1943 JAMES GENTRY Airplane Propeller Patent |
| 1943 EVEREL PROPELLER CORP Propeller Patent |
| 1943 AIR ASSOCIATES INC Propeller Spinner Patent |
| 1943 FRASER KENNETH Propeller Hub Patent Print |
| 1943 FRANK LEFFEL Propeller Patent Print Art |
| 1943 MATTHEWS Clutch And Propeller Patent Print |
| 1943 BLANCHARD Propeller Mechanism Patent Print |