Transportation – Rail vehicle – Element or attachment
Patent
1976-03-22
1977-06-28
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D1207
Patent
active
D02448432
REFERENCES:
patent: D233425 (1974-10-01), Duryea
Interavia, Dec. 1975, p. 1236, aircraft at bottom of page.
American Jet Industries
Douglas Alan P.
Harris, Jr. Ford W.
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