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US Patent: 912,131
Friction Gearing
Patentee: William R. Jenkins (exact or similar names) - Bellefonte, Centre County, PA USPTO Classifications: 476/26 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine gearing Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 28, 1907 Granted: Feb. 09, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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