| 1958 BELL AIRCRAFT CORP Helicopter Rotor Blade |
| 1944 BELL AIRCRAFT CORP Aircraft Covering Attachment |
| 1944 BELL AIRCRAFT CORP Ordnance Patent Print |
| 1941 BELL AIRCRAFT CORP Auxiliary Motor Installation |
| 1968 BELL AEROSPACE CORP Personnel Flying Art |
| 1947 BELL AIRCRAFT CORP Power Operated Gun Mount |
| 1962 BELL HELICOPTER CORP Helicopter Rotor System |
| 1946 BELL AICRAFT CORP Fuel Transfer System Art |
| 1953 BELL AIRCRAFT CORP Helicopter Aircraft Control |
| 1966 BELL AEROSPACE CORP Rotor Mounting Means |
| 1964 BELL AEROSPACE CORP Thrust Propelled Vehicle |
| 1952 BELL AIRCRAFT CORP Aircraft Undercarriage |
| 1969 BELL AEROSPACE CORP Rotor Blade Grip Bearing |
| 1940 BELL AIRCRAFT CORP Control Unit Patent |
| 1964 PACKARD BELL ELECTRONICS CORP Transducing System |
| 1941 WOODS ROBERT Wing Beam BELL AIRCRAFT CORP |
| 1968 PACKARD BELL ELECTRONICS CORP Remote Control Unit |
| 1941 BELL AIRCRAFT CORP Pressed Wing Rib Patent |
| 1947 BELL AIRCRAFT CORP Multiple Gun Training Mechanism |
| 1945 BELL AIRCRAFT CORP Mounting Fixed Machine Guns |