| 1950 APPLEGATE Toy Electric Locomotive Patent |
| 1950 JEFFREY MFG CO Tramming Locomotive Patent |
| 1950 GILBERT A C Toy Puffing Locomotive Patent |
| 1950 BALDWIN LOCOMOTIVE WORKS Locomotive Patent |
| 1950 DICKEY Locomotive Power Plant Patent Print |
| 1950 DILWORTH Locomotive Coupling Device Patent |
| 1950 MARIS Locomotive Running Gear Patent Print |
| 1950 ALBEN Locomotive Axle Quill Drive Patent |
| 1950 GOODE Toy Locomotive Construction Patent |
| 1950 LEE Articulated Locomotive Patent Print Art |
| 1950 PYLE LESLIE Locomotive Front End Patent |
| 1950 LEE ARTHUR Tramming Locomotive Patent Print |
| 1950 JOHN Toy Puffing Locomotive Patent Print |
| 1950 MARIS JAMES Locomotive Patent Print Art |
| 1950 BARRETT CHARLES Locomotive Patent Print Art |
| 1950 DOWN Locomotive Throttle Control Patent |
| 1950 LANGER Locomotive Spring Suspension Patent |
| 1950 MARIS Locomotive Frame Construction Patent |
| 1950 FINIGAN Locomotive Cab Construction Patent |
| 1950 WELLS Toy Locomotive Design Patent 9088 |