|
US2848924A
|
|
Head supported binoculars
|
|
US2223703A
|
|
Auxiliary service plant for aircraft
|
|
US2313205A
|
|
Two-speed driving mechanism for centrifugal compressors
|
|
US2235588A
|
|
Two stage compression arrangement for aircraft engines
|
|
US2133668A
|
|
Wing for aircraft
|
|
US2092424A
|
|
Device for operating the control surfaces of flying machines
|
|
US1979011A
|
|
Disappearing carriage for aircraft
|
|
US1881296A
|
|
Metal built aircraft
|
|
US1645928A
|
|
Aeroplane fin
|
|
US1544032A
|
|
Shock absorber for vehicles
|
|
US1390925A
|
|
Combustion-motor
|
