| 1939 SCHMOHL ALFRED Car Construction Patent |
| 1939 JENKINS Aircraft Construction Patent Print |
| 1939 DAVID HINDAHL Car Construction Patent Print |
| 1939 BAKER Tractor Construction Patent Print Art |
| 1939 MCCARTY Aircraft Construction Patent Print |
| 1939 SWORD Trailer Construction Patent Print Art |
| 1939 OWEN JAMES Trailer Construction Patent |
| 1939 ELLIS Toy Airplane Construction Patent |
| 1939 MCLAUTHLIN Ship Construction Patent Print |
| 1939 BESTER Ship Hull Construction Patent Print |
| 1939 EYEDOLL CORP Doll Construction Patent Print |
| 1939 BARNARD CLIFFORD Wall Construction Patent |
| 1939 JACOBSON Aircraft Construction Patent Print |
| 1939 FARRELL Tank Construction Art Print Patent |
| 1939 DAYES Vehicle Roof Construction Patent |
| 1939 JOHN OSWALD Grille Construction Patent |
| 1939 DE Doll's Eye Construction Patent Print Art |
| 1939 ALEXANDER Boat Construction Patent Print |
| 1939 POWELL Vehicle Body Construction Patent |
| 1939 DAY Rim Construction For Pianos Patent |
| 1939 O C DURYEA CORP Car Construction Patent |
| 1939 JOHANNES Welded Construction Patent Print |
| 1939 GRAVENSTINE Roller Construction Patent |
| 1939 MARTIN Aircraft Construction Patent Print |
| 1939 HIGGINS Boat Hull Construction Patent Print |
| 1939 KARL Airplane Wing Rib Construction Patent |
| 1939 GEN MOTORS CORP Grille Construction Patent |
| 1939 DE CESARE Doll Construction Patent Print |
| 1939 CONE Airplane Wing Construction Patent |
| 1939 NYSTROM Railroad Car Construction Patent |
| 1939 ADAMS Aircraft Construction Patent Print |
| 1939 PAINE FRANK Ship Construction Patent Print |
| 1939 LEON Metallic Construction Patent Print Art |
| 1939 BARNHART Airfoil Construction Patent Print |
| 1939 NELSON Window Construction Patent Print Art |
| 1939 EVERETT Sternpost Construction Patent Print |
| 1939 ELFSTROM Porthole Cover Construction Patent |
| 1939 PAINE Ship Construction Patent Print Art |
| 1939 COMEE Car Reinforcing Construction Patent |
| 1939 RENAULT LOUIS Metallic Construction Patent |
| 1939 ELLIOTT Barge Construction Patent Print Art |
| 1939 PHILIP Lady'S Garment Construction Patent |
| 1939 MONT Switch Retainer Construction Patent |
| 1939 JOSEPH Airplane Wing Construction Patent |
| 1939 TORNGREN Walking Doll Construction Patent 50754 |
| 1939 COOPER Vehicle Body Construction Patent |
| 1939 JONKHOFF Bogie Construction PETERMAN Patent 13242 |
| 1939 EYEDOLL CORP Doll's Eye Construction Patent |
| 1939 EDWARDS Window Construction Patent Print |
| 1939 MICHAEL Aircraft Construction Patent Print |
| 1939 KUSS RALPH Tank Construction Patent Print |
| 1939 DURYEA OTHO Car Construction Patent Print |
| 1939 KELLOGG Composite Strip Construction Patent |