| 1937 SULZER AG Locomotive Control Patent Print |
| 1937 HAMILTON Locomotive Body MOTORS Patent 49065 |
| 1937 EDOUARD Locomotive Control Patent Print Art |
| 1937 SUPERHEATER CO LTD Locomotive Patent Print |
| 1937 LOEWY Design Locomotive PENNSYLVANIA Patent 49048 |
| 1937 CARACRISTI VIRGINIUS Locomotive Patent |
| 1937 MICHAEL Locomotive Construction Patent |
| 1937 WAGELEY Locomotive Driver Brake Patent |
| 1937 SMITH Battery Lighted Locomotive Toy Patent |
| 1937 NEW Locomotive Structure Art Print Patent |
| 1937 LENTZ Locomotive Tender Door Patent Print |
| 1937 HAMILTON Locomotive Body Design Patent 10444 |
| 1937 AMERICAN LOCOMOTIVE CO Spring Plate Patent |
| 1937 BUCKWALTER Locomotive Running Gear Patent |
| 1937 PATJENS Articulated Locomotive Patent Print |
| 1937 HARRY Electric Locomotive Bed Frame Patent |
| 1937 NEW Locomotive Tender Door Art Print Patent |
| 1937 HAMILTON Locomotive Body GENERAL Patent 49066 |
| 1937 PHILIP Locomotive Driver Brake Patent Print |
| 1937 LENTZ Locomotive Structure Patent Print Art |
| 1937 SCUDDER Ornamental Design Locomotive Patent 49018 |
| 1937 WARREN Locomotive Turbine Drive Patent |