Invention Grant
- Patent Title: Rectifier.
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Application No.: US1907400352Application Date: 1907-11-02
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Publication No.: US931806APublication Date: 1909-08-24
- Inventor: SIRCH CHARLES W
- Applicant: SIRCH CHARLES W
- Assignee: Charles W Sirch
- Current Assignee: Charles W Sirch
- Priority: US1907400352 1907-11-02
Information query
