| 1923 FRAZIER Wagon Dump Body Latch Patent Print |
| 1923 GILPIN GARTH Dump Car Door Patent Print Art |
| 1923 DORN IRON WORKS VAN Dump Truck Art Print |
| 1923 JOSEPH CRANE Dump Header Barge Patent Print |
| 1923 HART HARRY Dump Car Patent Print Art |
| 1923 BARKER PERCY Dump Truck Patent Print Art |
| 1923 EXUM JOSEPH Side Dump Vehicle Patent Print |
| 1923 WILLS ERNEST Dump Body Patent Print Art |
| 1923 LANKSTON Dump Body Vehicle Patent Print Art |
| 1923 HOSCEIT Dump Car Construction Patent Print |
| 1923 NAT DUMP CAR Dump Car Door Latch Art Print |
| 1923 JOSEPH GASSER Dump Wagon Patent Print Art |
| 1923 BARNETT GERSHOVITZ Dump Wagon Patent Print |
| 1923 NEW JERSEY TWIN HOIST Dump Wagon Art Print |
| 1923 AUGUST HARTUNG Gravel Dump Patent Print Art |
| 1923 HILL HORACE Dump Body Patent Print Art |
| 1923 DAILEY ROBERT Dump Wagon Patent Print Art |
| 1923 HART HARRY Dump Car Door Latch Patent Print |
| 1923 ENGLER WILLIAM Dump Body Hoist Patent Print |
| 1923 MCKINLEY ANDREW Dump Body Patent Print Art |
| 1923 ARGYLE Dump Car Art Print Patent |