IP Library Granted Patent US 4,484,528
Granted Patent Utility
US 4,484,528 · App. 06/310,056

Railway hopper car

Inventors: Arthur I. Anderson, Louis J. Harvatin
Patented Case View Patent ↗
Granted: Nov 27, 1984 Filed: Oct 9, 1981
Inventors
Arthur I. Anderson
Louis J. Harvatin
Assignee (at issue)
North American Car Corporation

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Quick Facts
Patent No.
US 4,484,528
App. No.
06/310,056
Filed
1981-10-09
Granted
1984-11-27
Kind
A