| 1959 HARRIS Toy Catapult Device Patent Print Art |
| 1964 GLEN Ejection Seat Catapult Patent Print |
| 1931 COPAS JOHN Toy Catapult Patent Print Art |
| 1943 HUTSON Ornamental Design Catapult Patent 47325 |
| 1941 SMITH Boomerang Game Catapult Patent 9784 |
| 1959 HALVERSON EMMETT Catapult Device Patent |
| 1930 PILATES Catapult Throwing Balls Game Patent 47463 |
| 1933 LEVITT Catapult For Game Apparatus Patent |
| 1956 SCOTT Rifle Mounted Grenade Catapult Patent |
| 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 |
| 1950 GILMORE Design Toy Catapult Patent 19303 |
| 1928 E R WILLIAMS Catapult Patent Print Art |
| 1943 CURRISTON Emergency Exit Catapult Patent |
| 1961 HALVERSON EMMETT Catapult Device Patent |
| 1939 NICOT Catapult Game Or Toy Patent Print Art |
| 1942 JEAN FIEUX Powder Catapult Patent Print Art |
| 1956 PADDON Ejection Seat Catapult Patent Print |
| 1957 GILBERTSON GERHARD Catapult Toy Patent |
| 1921 NAPIER CHARLES Catapult Patent Print Art |
| 1930 JOSEPH PILATES Catapult Patent Print Art |
| 1922 LEONARD Catapult For Game Boards Patent |
| 1931 WISMER RALPH Catapult Patent Print Art |
| 1956 EDWARDS JOHN Catapult Patent Print Art |
| 1960 MIOTKE Catapult Line Casting Tool Patent 24124 |
| 1942 SCHNEIDER & CIE Powder Catapult Patent |
| 1942 ALL AMERICAN AVIAT INC Catapult Patent |
| 1947 MAXSON LISLE Airplane Catapult Patent Print |
| 1960 ANDIS Catapult Type Bait Caster Patent |
| 1967 GEORG Aircraft Catapult System Patent Print |
| 1934 FELLERS WILLIAM Airplane Catapult Patent |
| 1963 REX Temperature Compensated Catapult Patent |
| 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 |
| 1942 ROBERT Toy Catapult And Projectile Patent |
| 1964 LARDIN Catapult Delivery Device Patent |
| 1895 CUNDY Catapult Toy NETHERWOOD Patent 47740 |
| 1953 FOSTER EDSON Hand Catapult Patent Print Art |
| 1969 BOCHMAN Catapult Release Mechanism Patent |
| 1930 FRANK DANIEL Aeroplane Catapult Patent |
| 1942 HAGENBUCH Portable Aircraft Catapult Patent |
| 1955 WALKER Catapult Art Print Patent |
| 1959 PATCHIN Toy Catapult Device Patent Print |
| 1965 SODERMAN WILLIAM Can Catapult Patent Print |
| 1968 SCHOLL Dolly Guide For Catapult Patent |
| 1937 DONALD FEIGHT Catapult Patent Print Art |
| 1942 GENSMER THEODORE Pistol Catapult Patent |
| 1921 ANDREW CARRINO Catapult Patent Print Art |
| 1957 POWER GENERATORS LTD Catapult Device Patent |
| 1957 LARRECQ ANTHONY Catapult Device Patent |
| 1960 MIOTKE Catapult Line Casting Device Patent |
| 1879 STOCK Ball Trap Catapult Patent 11643 |
| 1963 MAURICE SPACK Catapult Device Patent Print |
| 1935 SLINGO CORP Toy Catapult Patent Print Art |
| 1883 BOWER Toy Catapult MYERS Patent 11635 |
| 1949 PAULUS CHARLES Catapult Patent Print Art |
| 1956 GROSS FREDERICK Airplane Catapult Patent |
| 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 |