Transportation – Rail vehicle – Element or attachment
Patent
1979-01-11
1981-03-17
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D1206
Patent
active
D02585812
REFERENCES:
patent: D152673 (1949-02-01), Clark
patent: D190893 (1961-07-01), Siegel
patent: D221188 (1971-07-01), Daniels
patent: D229635 (1973-12-01), Swilley
patent: D235754 (1975-07-01), Berry
patent: D251489 (1979-04-01), Mantas
Douglas Alan P.
McCoy Ernest H.
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