IP Library Granted Patent US 4,172,530
Granted Patent Utility
US 4,172,530 · App. 05/894,700

Roll-over lock protection for railroad car coupler

Inventors: Russell G. Altherr, John W. Kaim
Patented Case View Patent ↗
Granted: Oct 30, 1979 Filed: Apr 10, 1978
Inventors
Russell G. Altherr
John W. Kaim
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED

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Quick Facts
Patent No.
US 4,172,530
App. No.
05/894,700
Filed
1978-04-10
Granted
1979-10-30
Kind
A