| 1920 ALLMAN WILLIAM Flying Machine Patent Print |
| 1920 HENRY KLECKLER Flying Boat Patent Print Art |
| 1920 MAX Hoisting Flying Machines Art Print |
| 1920 CARR JOHN Flying Machine Patent Print Art |
| 1920 SLOAN IRA Flying Machine Patent Print Art |
| 1920 HENRY GEORGE Flying Machine Patent Print |
| 1920 WILKINSON JOHN Flying Machine Patent Print |
| 1920 VORACEH FRANK Flying Machine Patent Print |
| 1920 MAURICE LECUYER Flying Machine Patent Print |
| 1920 RITTER CARL Flying Machine Patent Print Art |
| 1920 MARTIN FEDDERS Flying Machine Patent Print |
| 1920 COOPER HEWITT Flying Machine Patent Print |
| 1920 RONEY ALEXANDER Flying Machine Patent Print |
| 1920 CURTISS GLENN Flying Boat Hull Patent Print |
| 1920 NOBLE WISNER Flying Machine Patent Print |
| 1920 HARVEY PETER Flying Machine Patent Print |
| 1920 PAUL YESO Flying Machine Patent Print Art |
| 1920 FRANK STOKLOSA Flying Machine Patent Print |
| 1920 DOELCKNER Toy Flying Machine Patent Print |
| 1920 WEBB JOHN Flying Machine Patent Print Art |
| 1920 CURTISS Tripod Flying Boat Patent Print Art |
| 1920 WATTS HENRY Flying Machine Patent Print Art |
| 1920 FRANK VOGELZANG Flying Machine Patent Print |
| 1920 BERLIN BENDER Flying Machine Patent Print |
| 1920 COY ORSETT Flying Machine Patent Print Art |
| 1920 LIND OTTO Flying Machine Patent Print Art |