| 1962 HIGGINS INC Boat Bottom Patent Print Art |
| 1945 KREYER Inflatable Boat Bottom Patent Print |
| 1936 PROCTOR Bottom Dump Vehicle Patent Print |
| 1942 BOGARD Drop Bottom Mine Car Patent Print |
| 1935 SANFORD HUGH Low Bottom Car Patent Print |
| 1962 HUET GEORGE Boat Bottom Patent Print Art |
| 1938 DUNCAN ED Drop Bottom Car Patent Print Art |
| 1951 SHIELDS Drop Bottom Mine Car Patent Print |
| 1955 RAGNAR BERG Bottom Dump Car Patent Print |
| 1931 HENRY Drop Bottom Mine Car Patent Print Art |
| 1922 LEDYARD Bottom Dump Trailer Patent Print |
| 1935 VICTOR Drop Bottom Mine Car Patent Print |
| 1947 SIMMONS Bottom Dump Vehicle Patent Print |
| 1930 NOE GEORGE Golf Bag Bottom Patent Print Art |
| 1941 BENBOW JAMES Hopper Bottom Car Patent Print |
| 1956 WORZEL Bottom Firing Detonator Patent Print |
| 1944 PANCAKE Drop Bottom Mine Car Patent Print |
| 1964 JOHN Stepped Bottom For Boat Patent Print |
| 1965 SHEPARD Conveyor Bottom Boat Patent Print |
| 1926 FORREST Drop Bottom Dump Car Patent Print |
| 1934 THEODOR KUMLE Keyboard Bottom Patent Print |
| 1927 PIERCE GEORGE Golf Bag Bottom Patent Print |
| 1943 ZOLDOK STEPHEN Dump Car Bottom Patent Print |
| 1928 RAU HENRY Golf Bag Bottom Patent Print Art |
| 1954 HARKINS Double Bottom Boat Patent Print Art |
| 1957 SHIELDS Drop Bottom Mine Car Patent Print |
| 1960 JONES ROBERT Drop Bottom Cars Patent Print |