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US Patent: 1,271,495
Method for Grinding Spline Shafts and Other Interrupted Cycindrical Bodies
Patentee: Frederick Alexander Ward (exact or similar names) - Detroit, MI USPTO Classifications: 29/893.35, 451/47, 451/48, 451/49, 464/179 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: Gear Grinding Machine Co. - Detroit, MI Manufacturer: Not known to have been produced Witnesses: Kathleen C. Thompson Ernest Parker C. B. Bellknap H. T. Bowmwn	Patent Dates: Applied: Aug. 13, 1912 Granted: Jul. 02, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Gear Grinding Machine Co.

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