Invention Grant
- Patent Title: Railway-car truck.
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Application No.: US1905264768Application Date: 1905-06-12
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Publication No.: US813797APublication Date: 1906-02-27
- Inventor: HOPKINS JAMES M
- Applicant: HOPKINS JAMES M
- Assignee: James M Hopkins
- Current Assignee: James M Hopkins
- Priority: US1905264768 1905-06-12
Information query
