Helicopter body

Details Helicopter body Helicopter body

1979-02-02

1982-05-11

Tung, T.

Transportation

Aircraft, spacecraft, or fuselage

Vertical takeoff type

D1207

Patent

active

D02643294

REFERENCES:
patent: D146984 (1947-06-01), Piasecki
patent: D179629 (1957-02-01), Duppstadt et al.
patent: D192666 (1962-04-01), Anderson et al.
patent: D213650 (1969-03-01), Cardoso
patent: 2638707 (1953-05-01), Baker
patent: 3298443 (1967-01-01), Burkam et al.
patent: 3482803 (1969-12-01), Lindenbaum

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