Transportation – Rail vehicle – Element or attachment
Patent
1981-03-19
1983-08-30
Gandy, James M.
Transportation
Rail vehicle
Element or attachment
D1299
Patent
active
D02703424
REFERENCES:
patent: 3955761 (1976-05-01), Szarka et al.
Progressive Railroading, 2/76, p. 60A, Railroad Crossing Slab System.
Stultz William H.
Trickel Lorn L.
Farley Eugene D.
Gandy James M.
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