Transportation – Rail vehicle – Element or attachment
Patent
1975-11-28
1977-05-10
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D1206
Patent
active
D02442647
REFERENCES:
patent: D187167 (1960-02-01), Raschke
patent: D198415 (1964-06-01), Shuler
patent: D221110 (1971-07-01), Valentine, Jr.
patent: D233029 (1974-10-01), Wiles, Sr. et al.
Anderson William E.
Douglas Alan P.
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