| 1959 HARRIS Toy Catapult Device Patent Print Art |
| 1964 GLEN Ejection Seat Catapult Patent Print |
| 1931 COPAS JOHN Toy Catapult Patent Print Art |
| 1937 GRAHAM Toy Airplane Catapult Patent Print |
| 1949 JONES Plane Landing Catapult Patent Print |
| 1966 RAY Crotch Type Catapult Frame Patent Print |
| 1924 PRESTON WILLIAM Toy Catapult Patent Print |
| 1935 GEORGE VIRNEBURG Toy Catapult Patent Print |
| 1928 E R WILLIAMS Catapult Patent Print Art |
| 1939 NICOT Catapult Game Or Toy Patent Print Art |
| 1942 JEAN FIEUX Powder Catapult Patent Print Art |
| 1956 PADDON Ejection Seat Catapult Patent Print |
| 1921 NAPIER CHARLES Catapult Patent Print Art |
| 1930 JOSEPH PILATES Catapult Patent Print Art |
| 1931 WISMER RALPH Catapult Patent Print Art |
| 1956 EDWARDS JOHN Catapult Patent Print Art |
| 1947 MAXSON LISLE Airplane Catapult Patent Print |
| 1967 GEORG Aircraft Catapult System Patent Print |
| 1923 CHAPMAN SAMUEL Catapult Patent Print Art |
| 1944 HALL CHARLES Fishing Catapult Patent Print |
| 1959 HIRT Ejection Seat Catapult Patent Print |
| 1921 BUYS HENRY Toy Catapult Patent Print Art |
| 1941 SMITH JR Bomb Catapult Patent Print Art |
| 1953 FOSTER EDSON Hand Catapult Patent Print Art |
| 1959 PATCHIN Toy Catapult Device Patent Print |
| 1965 SODERMAN WILLIAM Can Catapult Patent Print |
| 1937 DONALD FEIGHT Catapult Patent Print Art |
| 1921 ANDREW CARRINO Catapult Patent Print Art |
| 1963 MAURICE SPACK Catapult Device Patent Print |
| 1935 SLINGO CORP Toy Catapult Patent Print Art |
| 1949 PAULUS CHARLES Catapult Patent Print Art |
| 1947 MAXSON LISLE Catapult Patent Print Art |
| 1928 ALLENDER FRED Toy Catapult Patent Print Art |
| 1929 CALDWELL EARL Toy Catapult Patent Print Art |
| 1925 JEANSEN CARL Airplane Catapult Patent Print |
| 1924 DE BARBIERI Catapult Patent Print Art |