Transportation – Aircraft – spacecraft – or fuselage – Disc or saucer shaped
Patent
1982-03-01
1984-08-07
Douglas, Alan P.
Transportation
Aircraft, spacecraft, or fuselage
Disc or saucer shaped
Patent
active
D02749998
REFERENCES:
patent: D220293 (1971-03-01), Patrieny
patent: D231976 (1974-07-01), Torelli
patent: 3689011 (1972-09-01), Torelli
patent: 3752417 (1973-08-01), Lagace
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