| 1938 MUELLER EMIL Link Structure Patent Print |
| 1938 DE SEVERSKY Aircraft Structure Patent Print |
| 1938 IRWIN CHASE Boat Structure Patent Print Art |
| 1938 WARREN DONALD Toy Structure Patent Print |
| 1938 MOSES Car Underframe Structure Patent Print |
| 1938 GEN Closure Equipped Structure Art Print |
| 1938 SHORT Wheel Hub Lock Structure Patent Print |
| 1938 AXEL Railway Car Structure Patent Print Art |
| 1938 BLESSIN Car Window Structure Patent Print |
| 1938 KUSS Tank Vehicle Structure Like Art Print |
| 1938 TATUM JOHN Car Roof Structure Patent Print |
| 1938 Doorway Structure For Boxcars Patent Print |
| 1938 JUDD IRVING Deck Structure Patent Print Art |
| 1938 DRAIM Airplane Wing Structure Patent Print |
| 1938 HAWES Crossing Gate Structure Patent Print |
| 1938 NEW Locomotive Structure Art Print Patent |
| 1938 SPRINGER RAY Shim Structure Patent Print |
| 1938 MUSSEY DELAVAN Panel Structure Patent Print |
| 1938 LENTZ Locomotive Structure Patent Print Art |
| 1938 DE Aircraft Wing Structure Patent Print Art |
| 1938 ERNEST Airplane Wing Structure Patent Print |
| 1938 ANGELL THOMAS Car Structure Patent Print |
| 1938 MOSES Railway Car Structure Patent Print |
| 1938 BARKLEY Aerofoil Structure Patent Print Art |