Transportation – Rail vehicle – Element or attachment
Patent
1976-03-08
1977-10-25
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D1206
Patent
active
D02461668
REFERENCES:
patent: 3077172 (1963-02-01), Dornak
patent: 3162167 (1964-12-01), Wynne
patent: 3303809 (1967-02-01), Ross
Douglas Alan P.
Haley Barry L.
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