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US Patent: 1,002,310
Safety-chuck
Patentee: William L. Procunier (exact or similar names) - Chicago, IL USPTO Classifications: 279/103, 279/155, 279/158, 408/140, 408/238, 464/44 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks woodworking machines : wood drilling and boring : drill presses : drill press chucks Assignees: Woodstock Safety Chuck Co. - Woodstock, IL Manufacturer: Peter Brothers Mfg. Co. - Algonquin, IL Woodstock Safety Chuck Co. - Woodstock, IL Witnesses: Lucy I. Stone Charles S. Burton	Patent Dates: Applied: Oct. 19, 1910 Granted: Sep. 05, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Peter Brothers Mfg. Co. Vintage Machinery entry for Woodstock Safety Chuck Co.

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