Invention Grant
- Patent Title: Car coupler
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Application No.: US67215257Application Date: 1957-07-16
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Publication No.: US2889939APublication Date: 1959-06-09
- Inventor: METZGER WILLIAM J
- Applicant: NAT MALLEABLE & STEEL CASTINGS
- Assignee: Nat Malleable & Steel Castings
- Current Assignee: Nat Malleable & Steel Castings
- Priority: US67215257 1957-07-16
- Main IPC: B61G3/04
- IPC: B61G3/04
Information query
