Invention Grant
- Patent Title: Gearing.
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Application No.: US1913749076Application Date: 1913-02-18
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Publication No.: US1079701APublication Date: 1913-11-25
- Inventor: GRAFING JOHN D
- Applicant: GRAFING JOHN D
- Assignee: John D Grafing
- Current Assignee: John D Grafing
- Priority: US1913749076 1913-02-18
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