Invention Grant
- Patent Title: Railway-car truck.
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Application No.: US1905263708Application Date: 1905-06-05
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Publication No.: US811062APublication Date: 1906-01-30
- Inventor: HOPKINS JAMES M
- Applicant: HOPKINS JAMES M
- Assignee: James M Hopkins
- Current Assignee: James M Hopkins
- Priority: US1905263708 1905-06-05
Information query
