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US Patent: 1,168,794
Expanding mandrel
Patentee: John Enoch (exact or similar names) - Springfield, OH USPTO Classifications: 492/21, 82/169 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: Western Tool & Mfg. Co. - Springfield, OH Manufacturer: Western Tool & Mfg. Co. - Springfield, OH Witnesses: Perry A. Zimmerman Robert J. Saum	Patent Dates: Applied: Apr. 04, 1912 Granted: Jan. 18, 1916 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Western Tool & Mfg. Co.

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