Transportation – Rail vehicle – Element or attachment
Patent
1977-11-07
1980-06-10
Rosen, Sam
Transportation
Rail vehicle
Element or attachment
D12 71, D1207
Patent
active
D02553414
REFERENCES:
patent: D147875 (1947-11-01), Shannon
patent: D232710 (1974-09-01), Moore
Bryan James E.
Rosen Sam
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