| 1941 KRAEMER Window Construction Patent Print |
| 1941 JACOBSON Aircraft Construction Patent Print |
| 1941 MORRIS Armed Tank Construction Patent Print |
| 1941 DURYEA OTHO Car Construction Patent Print |
| 1941 LYNCH Boat Construction Patent Print Art |
| 1941 LILLIAN Airplane Construction Patent Print |
| 1941 HANNS Aircraft Construction Patent Print |
| 1941 WOODS Nacelle Construction Patent Print Art |
| 1941 MINER INC W H Car Construction Patent Print |
| 1941 HOGG Gun Barrel Construction Patent Print |
| 1941 BARRETT Dump Body Construction Patent Print |
| 1941 JOHNSON Boat Hull Construction Patent Print |
| 1941 KLEMM Aircraft Construction Patent Print |
| 1941 DRIGGS Aircraft Construction Patent Print |
| 1941 LYNCH HARRY Boat Construction Patent Print |
| 1941 KOCH Airplane Construction Patent Print Art |
| 1941 BERLINER Aircraft Construction Patent Print |
| 1941 GROT ANTON Stage Construction Patent Print |
| 1941 HASELTINE Car Construction Patent Print Art |
| 1941 CARTER Garment Construction Patent Print |
| 1941 ELLING Lifeboat Construction Patent Print |
| 1941 RANASEY Aircraft Construction Patent Print |
| 1941 BROWN STANLEY Ski Construction Patent Print |
| 1941 RAINE Vehicle Construction Patent Print Art |