| 1940 PALM Body Elevating Mechanism Dumping Wagons Like |
| 1920 LEE LOADER & BODY CO Dumping Hopper Patent |
| 1940 FRENTZEL Body Dumping Mechanism Patent |
| 1922 MORTON Truck Body Lifting Dumping Art |
| 1927 WOOD HYDRAULIC HOIST BODY CO Dumping Art |
| 1933 PERFECTION STEEL BODY Dumping Truck Art |
| 1920 LALLY COMMERCIAL BODY Dumping Vehicle Body Hoist |
| 1956 HOCKENSMITH Body Dumping Truck Patent 48516 |
| 1929 WOOD HYDRAULIC HOIST BODY CO Dumping Body Hoist |
| 1921 BERG Body For Dumping Trucks Patent Print |
| 1921 GREAT WESTERN COMMERCIAL BODY Body Dumping Trucks |
| 1933 CENCRAL BODY HOIST Dumping Land Vehicle |
| 1921 MCTIGHE Truck Body Tilting Dumping Art |
| 1931 LEE TRAILER BODY Motor Lift Dumping Body |
| 1920 LALLY COMMERCIAL BODY Dumping Wagon Hoist |
| 1922 ECONOMY HOIST BODY INC Dumping Truck Art |
| 1931 PERFECTION STEEL BODY CO Dumping Unit Motor Trucks |
| 1927 WOOD HYDRAULIC HOIST BODY Lifting Dumping Body |
| 1921 NELSON Body For Dumping Trucks Patent Print |
| 1925 PERFECTION STEEL BODY Dumping Unit Motor Trucks |
| 1950 PAUL EBLING POLLARD ERNEST Body Dumping Vehicle |
| 1931 LEE TRAILER BODY CO Semiautomatic Dumping Body |
| 1934 GEN BODY HOIST Dumping Vehicle Hoist Art |
| 1923 COULS Truck Body Dumping Mechanism Patent |
| 1927 WOOD HYDRAULIC HOIST BODY Elevating Dumping |
| 1930 WOOD HYDRAULIC HOIST BODY CO Tilting Dumping Body |
| 1927 PERFECTION STEEL BODY CO Dumping Unit Motor Trucks |