| 1946 BELL AIRCRAFT CORP Gun Sight Mounting Art |
| 1951 BELL AIRCRAFT CORP Rotor Blade Construction |
| 1954 BELL AIRCRAFT CORP Aerial Spray Mechanism |
| 1945 BELL AIRCRAFT CORP Gun Feed Accessory Art |
| 1949 BELL AIRCRAFT CORP Aircraft Undercarriage |
| 1958 BELL AIRCRAFT CORP Helicopter Rotor Blade |
| 1950 BELL AIRCRAFT CORP Jet Power Unit Mounting |
| 1946 BELL AIRCRAFT CORP Vehicle Undercarriage |
| 1940 BELL AIRCRAFT CORP Airplane Control Column |
| 1943 BELL AIRCRAFT CORP Wing Construction Patent |
| 1947 BELL AIRCRAFT CORP Aircraft Control Surface |
| 1944 BELL AIRCRAFT CORP Aircraft Covering Attachment |
| 1950 BELL AIRCRAFT CORP Aircraft Control Mechanism |
| 1945 BELL AIRCRAFT CORP Aircraft Combat Station |
| 1944 BELL AIRCRAFT CORP Ordnance Patent Print |
| 1945 BELL AIRCRAFT CORP Ordnance Patent Print |
| 1944 BELL AIRCRAFT CORP Airplane Patent Print |
| 1941 BELL AIRCRAFT CORP Auxiliary Motor Installation |
| 1941 BELL AIRCRAFT CORP Nacelle Construction Art |
| 1945 BELL AIRCRAFT CORP Helicopter Aircraft Art |
| 1944 TROTTER JOHN Gun BELL AIRCRAFT CORP Patent |
| 1947 BELL AIRCRAFT CORP Aircraft Liquid Supply Means |
| 1942 BELL AIRCRAFT CORP Antishimmy Device Patent |
| 1954 WOODS ROBERT Airplane BELL AIRCRAFT CORP |
| 1945 BELL AIRCRAFT CORP Aircraft Control Means |
| 1945 BELL AIRCRAFT CORP Antishimmy Device Patent |
| 1946 WOODS ROBERT Airplane BELL AIRCRAFT CORP |
| 1945 BELL AIRCRAFT CORP Machine Gun Feed Mechanism |
| 1947 BELL AIRCRAFT CORP Ammunition Magazine Art |
| 1947 BELL AIRCRAFT CORP Power Operated Gun Mount |
| 1955 BELL AIRCRAFT CORP Aircraft Armament Art |
| 1941 BELL AIRCRAFT CORP Movable Supporting Art |
| 1950 BELL AIRCRAFT CORP Aircraft Control System |
| 1941 BELL AIRCRAFT CORP Control Column Patent |
| 1943 BELL AIRCRAFT CORP Adjusting Unit Patent |
| 1943 BELL AIRCRAFT CORP Ordnance Patent Print |
| 1953 BELL AIRCRAFT CORP Helicopter Aircraft Control |
| 1946 BELL AIRCRAFT CORP Gun Mount Patent Print |
| 1946 BELL AIRCRAFT CORP Shock Absorbing Gun Mount |
| 1946 BELL AIRCRAFT CORP Aircraft Gun Mount Art |
| 1944 BELL AIRCRAFT CORP Airplane Construction |
| 1952 BELL AIRCRAFT CORP Aircraft Undercarriage |
| 1943 BELL AIRCRAFT CORP Aircraft Patent Print |
| 1943 BOWERS HERBERT Airplane BELL AIRCRAFT CORP |
| 1940 BELL AIRCRAFT CORP Control Unit Patent |
| 1940 BELL AIRCRAFT CORP Control Column Airplanes |
| 1950 BELL AIRCRAFT CORP Wing Lift Modification Means |
| 1941 BELL AIRCRAFT CORP Airplane Structure Art |
| 1941 BELL AIRCRAFT CORP Wing Beam Patent Print |
| 1945 BELL AIRCRAFT CORP Machine Gun Feed Control |
| 1941 WOODS ROBERT Wing Beam BELL AIRCRAFT CORP |
| 1958 BELL AIRCRAFT CORP Airfoil Hinge Jet Nozzle |
| 1941 BELL AIRCRAFT CORP Stowable Control Column |
| 1945 BELL AIRCRAFT CORP Aircraft Patent Print |
| 1954 BELL AIRCRAFT CORP Airplane Patent Print |
| 1946 BELL AIRCRAFT CORP Machine Gun Feed Mechanism |
| 1946 BELL AIRCRAFT CORP Ordnance Patent Print |
| 1945 BELL AIRCRAFT CORP Gun Battery Patent Print |
| 1944 BELL AIRCRAFT CORP Wing Slot Closure Member |
| 1941 BELL AIRCRAFT CORP Pressed Wing Rib Patent |
| 1948 BELL AIRCRAFT CORP Pneumatic Aircraft Float |
| 1942 BELL AIRCRAFT CORP Propeller Fairing Patent |
| 1954 BELL AIRCRAFT CORP Rotor Blade Construction |
| 1957 BELL AIRCRAFT CORP Convertible Aircraft Art |
| 1944 BELL AIRCRAFT CORP Aircraft Gearing Patent |
| 1947 BELL AIRCRAFT CORP Multiple Gun Training Mechanism |
| 1953 BELL AIRCRAFT CORP Aircraft Undercarriage |
| 1943 BELL AIRCRAFT CORP Airplane Patent Print |
| 1946 BELL AIRCRAFT CORP Airplane Patent Print |
| 1945 BELL AIRCRAFT CORP Mounting Fixed Machine Guns |
| 1950 BELL AIRCRAFT CORP Rotating Wing Aircraft |
| 1941 BELL AIRCRAFT CORP Hinged Mount Patent |