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US Patent: 1,219,083
Chuck Hydraulic chuck
Patentee: Albert E. Church (exact or similar names) - New Britain, CT USPTO Classifications: 279/121, 82/165 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Union Mfg. Co. - New Britain, CT Manufacturer: Union Mfg. Co. - New Britain, CT Witnesses: H. E. Myers George H. Ingraham	Patent Dates: Applied: Jun. 23, 1914 Granted: Mar. 13, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Union Mfg. Co.

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