| 1921 GEN MOTORS CORP Car Loading System Patent |
| 1937 BUTTERWORTH Car Loading Device Patent Print |
| 1935 WORTH COMPANY Car Loading Device Patent |
| 1937 NAMPA SULO Car Loading Device Patent Print |
| 1937 WORTH COMPANY Car Loading Mechanism Patent |
| 1934 FRIEDLAENDER Car Loading Device Patent |
| 1932 FRED STEBLER Car Loading Device Patent |
| 1947 PROCISSI Car Loading Equipment Patent Print |
| 1921 MARINIER Car Loading System Patent Print |
| 1938 MICHAEL Car Loading Device Patent Print Art |
| 1934 WORTH COMPANY Car Loading Device Patent |
| 1936 HANN WILLIAM Car Loading Device Patent |
| 1937 WISSI NESTOR Car Loading Device Patent |
| 1936 EVANS EDWARD Car Loading Device Patent |
| 1935 FRIEDLAENDER Car Loading Device Patent |
| 1936 CHALMERS Car Loading Device Patent Print |
| 1938 REIFER Freight Car Loading Apparatus Patent |
| 1933 BUTTERWORTH Car Loading Device Patent Print |
| 1939 BEN COLMAN Car Loading Device Patent Print |
| 1938 BUTTERWORTH Car Loading Device Patent Print |
| 1936 BUTTERWORTH Car Loading Device Patent Print |
| 1959 CHRYSLER CORP Car Loading Apparatus Patent |
| 1960 GRAEF Car Top Boat Loading Mechanism Patent |
| 1937 MICHAEL Car Loading Mechanism Patent Print |
| 1935 HICE JOHN Car Loading Device Patent Print |
| 1933 WORTH COMPANY Car Loading Device Patent |
| 1963 LORD MFG CO Car Loading Structure Patent |
| 1935 EVANS PROD CO Car Loading Device Patent |
| 1963 KLOSS Car Loading Structure Patent Print |
| 1937 BEN COLMAN Car Loading Device Patent Print |
| 1959 CAMPBELL Car Loading Apparatus Patent Print |
| 1939 WORTH COMPANY Car Loading Device Patent |
| 1939 NAMPA SULO Car Loading Device Patent Print |
| 1932 FMC CORP Car Loading Device Patent Print |
| 1936 HICE JOHN Car Loading Device Patent Print |
| 1928 DODGE BROTHERS INC Car Loading Patent Print |
| 1928 MOORE BENJAMIN Car Loading Patent Print Art |
| 1937 EVANS EDWARD Car Loading Device Patent |
| 1936 BEN COLMAN Car Loading Device Patent Print |
| 1938 CARDINAL Car Loading Device Patent Print |
| 1938 WORTH COMPANY Car Loading Device Patent |
| 1936 WORTH COMPANY Car Loading Device Patent |
| 1939 REIFER Freight Car Loading Apparatus Patent |
| 1938 NAMPA SULO Car Loading Device Patent Print |
| 1930 MILLS HARRY Car Loading Device Patent Print |
| 1937 WORTH COMPANY Car Loading Device Patent |