Airplane

Details Airplane Airplane

1980-07-02

1984-01-10

Douglas, Alan P.

Transportation

Aircraft, spacecraft, or fuselage

Vertical takeoff type

D12341, D1207

Patent

active

D02721422

REFERENCES:
patent: D192458 (1962-03-01), Knauer et al.
patent: D259713 (1981-06-01), Johnson

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