Title:
ANTI-CORNERING PROTECTION FOR RAILROAD CLASSIFICATION YARDS
United States Patent 3543020
Inventors:
Mcglumphy, George F.
Staples, Crawford E.
Publication Date:
11/24/1970
Export Citation:
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Assignee:
WESTINGHOUSE AIR BRAKE CO
Primary Class:
246/1R
Other Classes:
104/26.1
International Classes:
B61L17/00; B61L17/00; (IPC1-7): B61L7/08
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US Patent References:
2880308Railway switch control apparatus




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