Transportation – Rail vehicle – Element or attachment
Patent
1975-08-14
1977-05-10
Douglas, Alan P.
Transportation
Rail vehicle
Element or attachment
D1207
Patent
active
D02442655
REFERENCES:
patent: D177500 (1956-04-01), Heinemann et al.
patent: D196343 (1963-09-01), Norman et al.
Brown Carl R.
Douglas Alan P.
Teledyne Ryan Aeronautical a Division of Teledyne Industries, In
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