| 1930 LOFSTRAND Amphibian Mobile Carrier Patent |
| 1941 MILLS Design Amphibian Airplane Patent 48838 |
| 1943 LATEANA Design Amphibian Cargo Plane Patent 48769 |
| 1946 FMC CORP Amphibian Steering Device Patent |
| 1945 MCLARTY FRANK Amphibian Vehicle Patent |
| 1959 LOID CRANDALL Amphibian Vehicle Patent |
| 1944 GEN MOTORS CORP Amphibian Harness Patent |
| 1930 WORTHINGTON Amphibian Landing Gear Patent |
| 1945 PATECELL Design Amphibian Airplane Patent 48734 |
| 1936 LUBURG Amphibian Landing Gear Patent Print |
| 1951 CATALANO Amphibian Helicopter Patent Print |
| 1935 DE Amphibian Aircraft Pontoon Patent Print |
| 1946 HAIT JAMES Amphibian FMC CORP Patent Print |
| 1935 FLADER Amphibian Landing Gear Patent Print |
| 1946 REYNOLDS Amphibian Steering Device Patent |
| 1944 THAYER TODD Amphibian Harness Patent Print |
| 1935 BURGESS WALTER Amphibian Patent Print Art |
| 1942 HUZZARD Amphibian Plane WHITELEY Patent 48791 |
| 1947 SWENNES BENJAMIN Amphibian Vehicle Patent |
| 1942 GRABBE WENDLIN Amphibian Patent Print Art |
| 1939 DIEHL Amphibian Hull Resilient Step Patent |
| 1945 DICKSON Design Amphibian Truck Toy Patent 37689 |
| 1962 PENDER DAVID Amphibian Vehicle Patent Print |
| 1964 PENDER DAVID Amphibian Vehicle Patent Print |
| 1946 HAIT Amphibian Steering Mechanism Patent |
| 1930 GROVER Seaplane Or Amphibian Patent Print |
| 1946 ALVIN W LARSON Amphibian Vehicle Patent |
| 1945 TOWNSEND Amphibian Aircraft Patent Print |
| 1952 MARTIN THOMAS Amphibian Toy Duck Patent |
| 1944 AMPHIBIAN CAR CORP Amphibian Vehicle Patent |
| 1930 SCHLEICHER Amphibian Plane Patent Print Art |
| 1955 BAKER Amphibian Propulsion Mechanism Patent |
| 1929 KINDELBERGER Amphibian Airplane Patent |
| 1948 SWENNES Amphibian Cargo Carrier Patent |
| 1928 GUILLEMO Amphibian Balloon Patent Print Art |
| 1946 EDWARD PORTER Amphibian Vehicle Patent |
| 1933 IGOR Multimotored Amphibian Patent Print |
| 1930 LOFSTRAND Amphibian Mobile Carrier Patent 22618 |
| 1930 EUSTACE Amphibian Aircraft Patent Print Art |
| 1954 BAKER Amphibian Propulsion Mechanism Patent |
| 1949 SWENNES BENJAMIN Amphibian Tank Patent |
| 1944 HOFHEINS Amphibian Vehicle Patent Print Art |
| 1933 BURNELLI Amphibian Aircraft Patent Print |
| 1946 RANKIN Amphibian Steering Mechanism Patent |
| 1946 HARRY Amphibian Landing Device Patent Print |
| 1943 STOLZENBERGER Amphibian Aircraft Patent 11947 |
| 1946 FMC CORP Amphibian Patent Print Art |
| 1947 WILLIAMS Amphibian Vehicle Patent Print Art |
| 1943 THOMPSON THEODORE Amphibian Patent Print |
| 1938 BURGESS Amphibian Aircraft Patent Print Art |
| 1927 LOENING Amphibian Airplane Patent Print Art |
| 1949 US NAVY Amphibian Tank Patent Print Art |
| 1946 HAIT Amphibian Propulsion Mechanism Patent |
| 1935 LERAY JOSEPH Amphibian Airship Patent Print |
| 1941 NEBESAR Design Amphibian Airplane Patent 48834 |
| 1930 FOKKER ANTHONY Amphibian Aircraft Patent |
| 1947 BORG WARNER Amphibian Vehicle Patent Print |
| 1967 DE BAKKER Amphibian Vehicle Patent Print |