| 1950 UNITED AIRCRAFT CORP Towed Glider Patent |
| 1950 UNITED STATES TIME CORP Clockcase Construction |
| 1950 UNITED AIRCRAFT CORP Drive Helicopters Art |
| 1950 UNITED AIRCRAFT CORP Tailless Airplane Art |
| 1950 UNITED AIRCRAFT CORP Pontoon Patent Print |
| 1950 CHASE ERNEST Gun Sight UNITED SHOE MACHINERY CORP |
| 1950 UNITED AIRCRAFT CORP Trilobe Float Patent |
| 1950 UNITED SHOE MACHINERY CORP Method Sewing Shoes |
| 1950 UNITED SHOE MACHINERY CORP Gun Sight Patent |
| 1950 UNITED SHOE MACHINERY CORP Ammunition Box Holder |
| 1950 UNITED AIRCRAFT CORP Rotor Support Patent |
| 1950 UNITED SHOE MACHINERY CORP Control Mechanism |
| 1950 UNITED AIRCRAFT CORP Nose Gear Down Lock |
| 1950 UNITED SHOE MACHINERY CORP Ammunition Magazine |
| 1950 UNITED SHOE MACHINERY CORP Articulated Fairing |
| 1950 UNITED AIRCRAFT CORP Airfoil Heating Means |
| 1950 UNITED AIRCRAFT CORP Gyrodynamic Damper Art |
| 1950 UNITED STATES TIME CORP Alarm Set Stop Mechanism |
| 1950 UNITED SHOE MACHINERY CORP Shoe Sewing Machine |
| 1950 UNITED AIRCRAFT CORP Hydraulic Strut Patent |
| 1950 UNITED AIRCRAFT CORP Control Aircraft Drives |
| 1950 UNITED AIRCRAFT CORP Droppable Wing Tip Tank |
| 1950 UNITED AIRCRAFT CORP Cowl Flap Patent Print |
| 1950 UNITED AIRCRAFT CORP Down Lock Landing Gears |
| 1950 UNITED SHOE MACHINERY CORP Ammunition Feeder |
| 1950 UNITED AIRCRAFT CORP Retractable Air Brake |
| 1950 UNITED AIRCRAFT CORP Footrest Rudder Pedal |
| 1950 UNITED AIRCRAFT CORP Fuel System Patent |
| 1950 UNITED AIRCRAFT CORP Pilot Seat Patent |
| 1950 MOELLER CONSTAND Pontoon UNITED AIRCRAFT CORP |
| 1950 UNITED SHOE MACHINERY CORP Charger Automatic Guns |
| Vintage 1950's Metal Wall Clock United Clock Corp. |