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US Patent: 250,992
Chuck for watch-makers
Patentee: Samuel I. Snyder (exact or similar names) - Clearfield, PA USPTO Classifications: 279/114, 403/93 Tool Categories: trade specific : watchmaker metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: American Watch Tool Co. - Waltham, MA Witnesses: William S. Taylor Daniel Connelly	Patent Dates: Applied: Jun. 27, 1881 Granted: Dec. 13, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin "Vintage Machinery" entry for American Watch Tool Co.
Description: Snyder's patent 6-jaw chuck

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