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US Patent: 1,109,325
Electric drill
Patentee: William O. Duntley (exact or similar names) - Chicago, IL USPTO Classifications: 310/83, 475/149, 475/161, 475/270, 74/421A, 74/421R Tool Categories: handheld power tools : handheld power drills Assignees: Chicago Pneumatic Tool Co. - Chicago, IL Manufacturer: Chicago Pneumatic Tool Co. - Chicago, IL Witnesses: Louis B. Erwin S. E. Hibben	Patent Dates: Applied: May 09, 1904 Granted: Sep. 01, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Chicago Pneumatic Tool Co.

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