| 1946 BELL AIRCRAFT CORP Gun Sight Mounting Art |
| 1945 BELL AIRCRAFT CORP Gun Feed Accessory Art |
| 1947 UNITED AIRCRAFT CORP Gun Turret Swivel Art |
| 1950 CONS VULTEE AIRCRAFT CORP Aircraft Gun Mount |
| 1943 LOCKHEED AIRCRAFT CORP Gun Charger Patent |
| 1951 CONS VULTEE AIRCRAFT CORP Machine Gun Testing |
| 1944 LOCKHEED AIRCRAFT CORP Gun Turret Mounting |
| 1944 LOCKHEED AIRCRAFT CORP Gun Turret Patent |
| 1952 UNITED AIRCRAFT CORP Gun Adapter Patent |
| 1947 UNITED AIRCRAFT CORP Gun Charger Installation |
| 1945 BELL AIRCRAFT CORP Machine Gun Feed Mechanism |
| 1947 BELL AIRCRAFT CORP Power Operated Gun Mount |
| 1941 CONS AIRCRAFT CORP Retractable Gun Mount |
| 1946 BELL AIRCRAFT CORP Gun Mount Patent Print |
| 1946 BELL AIRCRAFT CORP Shock Absorbing Gun Mount |
| 1946 BELL AIRCRAFT CORP Aircraft Gun Mount Art |
| 1962 LOCKHEED AIRCRAFT CORP Retro Ejector Gun |
| 1946 LOCKHEED AIRCRAFT CORP Gun Turret Seat Art |
| 1944 TUCKER AIRCRAFT CORP Gun Control Mechanism |
| 1945 BELL AIRCRAFT CORP Machine Gun Feed Control |
| 1945 CONS VULTEE AIRCRAFT CORP Machine Gun Mount |
| 1946 BELL AIRCRAFT CORP Machine Gun Feed Mechanism |
| 1945 BELL AIRCRAFT CORP Gun Battery Patent Print |
| 1947 BELL AIRCRAFT CORP Multiple Gun Training Mechanism |