Invention Grant
- Patent Title: Railway-tie.
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Application No.: US1909503324Application Date: 1909-06-21
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Publication No.: US937182APublication Date: 1909-10-19
- Inventor: ROBERTS WILLIAM E
- Applicant: ROBERTS WILLIAM E
- Assignee: William E Roberts
- Current Assignee: William E Roberts
- Priority: US1909503324 1909-06-21
Information query
