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US Patent: 890,334
Variable-speed mechanism
Patentees: Murray Shipley (exact or similar names) - Cincinnati, OH Nicholas D. Chard (exact or similar names) - Cincinnati, OH USPTO Classifications: 474/47 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: Lodge & Shipley Machine Tool Co. - Cincinnati, OH Manufacturer: Lodge & Shipley Machine Tool Co. - Cincinnati, OH Witnesses: Leo O'Donnell Oliver B. Kaiser	Patent Dates: Applied: Jun. 24, 1907 Granted: Jun. 09, 1908 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Lodge & Shipley Machine Tool Co.

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