Transportation – Rail vehicle – Element or attachment
Patent
1978-05-01
1980-08-26
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D12 62, D1206
Patent
active
D02565722
REFERENCES:
patent: D223687 (1972-05-01), Wiederhold
patent: D233600 (1974-11-01), Forssell
Design, May 1971, p. 89, Catamaran Sailboat at top right of page.
Rudder, Sep. 1968, p. 50, Catamaran Sailboat on page.
Bard Edmund F.
Douglas Alan P.
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