Invention Grant
- Patent Title: Boring-bit.
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Application No.: US1910583189Application Date: 1910-09-22
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Publication No.: US1004902APublication Date: 1911-10-03
- Inventor: POTTER WILLIAM
- Applicant: POTTER WILLIAM
- Assignee: William Potter
- Current Assignee: William Potter
- Priority: US1910583189 1910-09-22
Information query
