Invention Grant
- Patent Title: Friction-gearing.
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Application No.: US1912674646Application Date: 1912-02-01
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Publication No.: US1036134APublication Date: 1912-08-20
- Inventor: MCLAUGHLIN JAMES A
- Applicant: MCLAUGHLIN JAMES A
- Assignee: James A Mclaughlin
- Current Assignee: James A Mclaughlin
- Priority: US1912674646 1912-02-01
Information query
