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US Patent: 991,886
Turret Lathe
Patentees: James C. Potter (exact or similar names) - Pawtucket, Providence County, RI John Johnston (exact or similar names) - Pawtucket, Providence County, RI USPTO Classifications: 74/814, 74/824 Tool Categories: metalworking machines : metal lathes : turret lathes Assignees: Potter & Johnston Machine Co. - Pawtucket, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Earl H. Roberts Henry A. Aldrich Jason E. Hutchinson J. L. Lawler	Patent Dates: Applied: Mar. 07, 1907 Granted: May 09, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Potter & Johnston Machine Co.

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