Helicopter

Transportation – Aircraft – spacecraft – or fuselage – Vertical takeoff type

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D12327, 1207

Patent

active

D03880486

REFERENCES:
patent: D239710 (1976-04-01), Garrison
patent: D242338 (1976-11-01), Gilday
patent: D278227 (1985-04-01), Johnston, Jr.
patent: D332078 (1992-12-01), Shallene
patent: D357895 (1995-05-01), Arnold et al.
patent: D363054 (1995-10-01), Taylor et al.
patent: D375077 (1996-10-01), Taylor et al.
patent: 4809930 (1989-03-01), Ballerio et al.
patent: 5093677 (1992-03-01), McMahon
patent: 5209430 (1993-05-01), Wilson et al.
Jane's All the World's Aircraft. 1995-1996, p. 30, Canada-Aircraft, "Twin-turbine Bell 407T".
Jane's All the World's Aircraft, 1995-1996, p. 25, Aircraft: Canada, Bell 2064-4 "Long Ranger IV".
Canadian Design Patent No. 35187, Mar. 29, 1972 United Aircraft Corporation, East Hartford, Conn. USA.

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