| 1921 MCGRATH HARRY Gun Firing Device Patent |
| 1920 CAREAGA Gun Barrel Testing Device Patent |
| 1967 MCDONNELL Gun Trigger Locking Device Patent |
| 1922 HENRY CUMPSTON Gun Cleaning Device Patent |
| 1950 YOUNG LAUTT Gun Clearing Device Patent |
| 1946 GLENN L MARTIN CO Gun Control Device Patent |
| 1960 WILLIAM Gun Aim Controller Device Patent |
| 1946 SOENKE JOHN Gun Control Device Patent Print |
| 1966 ROBERT Gun Barrel Seating Device Patent |
| 1955 MATHIS Shot Gun Muzzle Device Patent Print |
| 1931 JACKSON Gun Holding Device Patent Print Art |
| 1952 SMITH Gun Sling Securing Device Patent |
| 1951 MCPHERREN Machine Gun Testing Device Patent |
| 1946 MARTIN Gun Sighting Device Patent Print Art |
| 1949 JOHN FERHAT Gun Choke Device Patent Print |
| 1957 PETERSON Gun Protective Device Patent Print |
| 1946 GEN MOTORS CORP Gun Sighting Device Patent |
| 1965 GARDNER Gun Firing Control Device Patent |
| 1966 HELMUT Gun Elevation Control Device Patent |
| 1958 JOHN Machine Gun Anti Jamming Device Patent |
| 1945 JOHNSON Gun Cocking Device Patent Print Art |
| 1963 STOCKING Gun Barrel Cleaning Device Patent |
| 1936 BLISS FRANK Gun Sighting Device Patent |
| 1923 PATERSON Gun Targetting Device Patent 9435 |
| 1969 NORBERT A KIRK Toy Ball Gun Device Patent |
| 1956 HUCKABEE Gun Barrel Sealing Device Patent |
| 1957 HOPKINS Gun Barrel Cleaning Device Patent |
| 1945 TROTTER Gun Feed Accessory Device Patent |
| 1948 ALBERT Gun Sight Training Device Patent |
| 1947 GUNNER Machine Gun Safety Device Patent |
| 1967 DRAPER III Gun Charger Device Patent Print |
| 1932 RIXEL JR Gun Cleaning Device Patent Print |
| 1952 BURLEY Gun Sighting Device Patent Print Art |
| 1929 HERMAN EVERT Gun Firing Device Patent Print |
| 1945 BELL CHARLES Gun Sighting Device Patent |