| 1940 VICTOR Boat Construction Patent Print Art |
| 1940 STEWART JOHN Ship Construction Patent Print |
| 1940 SEVERIN WARE Sled Construction Patent Print |
| 1940 GUST BROSCHAT Boat Construction Patent |
| 1940 RENE DUCROUX Airport Construction Patent |
| 1940 BULLOCK Pedal Construction Patent Print Art |
| 1940 DAVIS Boat And Trailer Construction Patent |
| 1940 KRAEMER Window Construction Patent Print |
| 1940 LARSEN Vehicle Construction Patent Print |
| 1940 BARKER LLOYD Boat Construction Patent Print |
| 1940 LESTER LAWRENCE Trap Construction Patent |
| 1940 FRIDOLPH Pantie Construction Patent Print |
| 1940 RENE Airport Construction Patent Print Art |
| 1940 WURLITZER CO Accordion Construction Patent |
| 1940 SERR WILLIAM Ski Construction Patent Print |
| 1940 SCHWANKHAUS Watchcase Construction Patent |
| 1940 JOHNSON Hull Construction Of A Boat Patent |
| 1940 CHARLES Aircraft Wing Construction Patent |
| 1940 LEOPOLD Watchcase Construction Patent Print |
| 1940 MILTON ROBERTS Recoil Construction Patent |
| 1940 JOSEPH SCHOR Leader Construction Patent |
| 1940 BRUNER Roller Skate Construction Patent |
| 1940 KROYDON CO INC Ski Pole Construction Patent |
| 1940 ANDERSON Mirror Construction Patent Print |
| 1940 WILLIAM Construction Of Vessels Patent |
| 1940 CARL Accordion Construction Patent Print |
| 1940 BARKER Boat Construction Patent Print Art |
| 1940 GUST Boat Construction Patent Print Art |
| 1940 SKOVERSKI Leader Construction Patent Print |
| 1940 SIMONSEN IRVING Ski Construction Patent |
| 1940 JOHNSON Hoist Construction Patent Print Art |
| 1940 BIRKHOFER Ski Pole Construction Patent |
| 1940 GEORG Hull Construction For Ships Patent |
| 1940 EDUARD Acoustic Construction Patent Print |
| 1940 HENRI THIEBAUD Watch Construction Patent |
| 1940 SACKETT Portable Reel Construction Patent |
| 1940 STEELE Boat Hull Construction Patent Print |
| 1940 SIMONSEN HANNAN Ski Construction SKI Patent 22686 |
| 1940 SERR Ski Construction PUSINELLI Patent 22685 |
| 1940 RUTLEDGE Garment Crotch Construction Patent |
| 1940 ERIC PUSINELLI Ski Construction Patent |
| 1940 STEWART Ship Construction Patent Print Art |
| 1940 DALE Aircraft Construction Patent Print Art |
| 1940 TORMOLLAN Aircraft Construction Patent |
| 1940 VICTOR PFISTER Boat Construction Patent |
| 1940 OVERBEKE Aircraft Construction Patent Print |
| 1940 DRIGGS Aircraft Construction Patent Print |