|
US2560292A
|
|
Gas piston operated revolver
|
|
US2346689A
|
|
Warplane
|
|
US1745934A
|
|
Automatic control for electrical attachments
|
|
US1745933A
|
|
Apparatus for maintaining the direction of aircraft in flight
|
|
US1653770A
|
|
Pilot director for aircraft
|
|
US1686158A
|
|
Electric-impulse generator
|
|
US1643461A
|
|
Ground speed indicator
|
|
US1583976A
|
|
Hydraulic brake safety device
|
|
US1519458A
|
|
Spade grip
|
|
US1693510A
|
|
Ground-speed indicator
|
|
US1581539A
|
|
Quickly-detachable connection for the power plant or power-plant unit of an airplane
|
|
US1528928A
|
|
Operating handle
|
|
US1550616A
|
|
Self-locking rudder bar
|
|
US1588234A
|
|
Pyrotechnic fire extinguisher
|
|
US1660713A
|
|
Fire extinguisher
|
|
US1588233A
|
|
Pyrotechnic fire extinguisher
|
|
US1563373A
|
|
Range finder
|
|
US1627097A
|
|
Searchlight range finder
|
|
US1635045A
|
|
Ground-speed indicator
|
|
US1485785A
|
|
Compensating sighting instrument
|
