| 1934 GRIMES Boat Propulsion Device Patent Print |
| 1931 PRICE Pneumatic Boat Propulsion Patent |
| 1963 AYLOR Boat Propulsion Means Patent Print |
| 1958 ORZYNSKI Boat Having Underwater Fluid Propulsion |
| 1926 GEORGE Boat Propulsion Mechanism Patent |
| 1952 JOHN MADISON GUICE Pedal Boat Propulsion Means |
| 1954 BRADY LOUIS Boat Propulsion Patent Print |
| 1943 BOON Boat Propulsion Device Patent Print |
| 1968 HILDEBRAND Boat Propulsion Means Art Print |
| 1931 GEORGE VOEHL Boat Propulsion Mechanism Art |
| 1963 DER Boat Propulsion Patent Print Art |
| 1967 OTTO Boat Propulsion Device Patent Print |
| 1969 REDMOND Boat With Air Propulsion Support Means |
| 1952 WARNER Boat Propulsion Device Patent Print |
| 1962 AUBREY Boat Propulsion Steering Reversing Same |
| 1923 JAMES Boat Propulsion Means Patent Print |
| 1940 ADOLPH Boat Propulsion Apparatus Patent |
| 1872 BAKER Canal Boat Propulsion Patent 10249 |
| 1928 WALLIS WALTER Boat Propulsion Patent Print |
| 1962 WYLIE Boat Transom Propulsion Unit Patent |
| 1924 EFFERTZ HARRY Boat Propulsion Patent Print |
| 1962 KIKER Pedally Operable Boat Propulsion Art |
| 1966 COX Boat Jet Propulsion Means Art Print |
| 1962 BARTEL Small Boat Propulsion Unit Patent |
| 1963 COLLIER Boat Propulsion Unit Patent Print |
| 1924 EFFERTZ Boat Propulsion Patent Print Art |
| 1961 MCKINNEY Boat Propulsion Steering Reversing Means |
| 1946 RAULERSON Boat Propulsion Apparatus Patent |
| 1955 GRESHAM Foot Operated Boat Propulsion System |
| 1963 LANG Mounting Means Boat Propulsion Art |
| 1961 TORREY Outboard Boat Propulsion Unit Patent |
| 1944 BRIAN Boat Hull Construction Propulsion Art |
| 1962 BISHOP Boat Propulsion Unit Patent Print |
| 1931 LONGSTREET Boat Propulsion Mechanism Patent |
| 1956 DANIELS Swingable Boat Propulsion Steering Unit |
| 1954 BRADY Boat Propulsion Art |
| 1963 LAYNE CENTRAL CO Boat Propulsion Means Art |
| 1961 STARNS Inboard Boat Propulsion Steering Assembly |
| 1965 JAN Toy Boat Propulsion Means Patent Print |
| 1950 GULLEY Foot Operated Boat Propulsion Means |
| 1945 SAWYER Boat Propulsion Means Patent Print |
| 1928 YOUNG Boat Propulsion Means Patent Print |
| 1963 DER PUTTEN Boat Propulsion Patent Print Art |
| 1965 BALDWIN Boat Propulsion System Patent Print |
| 1952 SIDNEY Pedal Boat Propulsion Means Patent |
| 1923 MICHAEL D GANTT Boat Propulsion Means |
| 1938 DONALD ROEBLING Boat Propulsion Patent |
| 1952 WOODS Boat Propulsion Device Patent Print |
| 1935 TAIT Boat Propulsion Art |
| 1933 ELECTRIC BOAT CO Submarine Propulsion |
| 1935 TAIT ROBERT Boat Propulsion Patent Print |
| 1968 GRAVENSTRETER Boat Propulsion Device Patent |
| 1938 ROEBLING Boat Propulsion Patent 50752 |
| 1967 STARRY Boat Propulsion Means Patent Print |
| 1928 WALLIS Boat Propulsion Patent Print Art |