Invention Grant
- Patent Title: Mine-gate.
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Application No.: US1905249428Application Date: 1905-03-10
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Publication No.: US820090APublication Date: 1906-05-08
- Inventor: BOWMAN NEWTON K
- Applicant: BOWMAN NEWTON K
- Assignee: Newton K Bowman
- Current Assignee: Newton K Bowman
- Priority: US1905249428 1905-03-10
Information query
