| 1923 FRAZIER Wagon Dump Body Latch Patent Print |
| 1923 GILPIN GARTH Dump Car Door Patent Print Art |
| 1923 CONTINENTAL CAR COMPANY Dump Body Patent |
| 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 ROBERT STOVALL Dump Car Structure Patent |
| 1923 HILL HORACE Dump Body Patent Print Art |
| 1923 NAT DUMP CAR Dump Car Door Latching Mechanism |
| 1923 HART Dump Car Door Locking Releasing Attachment |
| 1923 JOSEPH Combination High Hoist Dump Wagon |
| 1923 ENTPR RAILWAY EQUIPMENT CO Dump Car Patent |
| 1923 DAILEY ROBERT Dump Wagon Patent Print Art |
| 1923 HART Link Latch For Dump Car Doors Patent |
| 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 DAVID Dump Car Door Latching Mechanism Art |
| 1923 UNION METAL PROD CO Dump Car Door Patent |
| 1923 LYNCH Dump Body For Motor Vehicles Patent |
| 1923 JOSEPH Combined High Hoist Dump Wagon Art |
| 1923 ARGYLE Dump Car Art Print Patent |
| 1923 Ford Model T Wood Indiana Dump Truck Ad Austin Pup |