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US Patent: 1,298,966
Electrically-operated tool
Patentee: James S. Knowlson (exact or similar names) - Oak Park, IL USPTO Classifications: 173/117, 310/101, 310/113, 310/138, 310/98, 318/114, 318/14, 318/245, 318/4 Tool Categories: handheld power tools : handheld impact tools : impact riveters handheld power tools : handheld impact tools : impact chisels and drills Assignees: Electro-Magnetic Tool Co. - Chicago, IL Manufacturer: Electro-Magnetic Tool Co. - Cicero, IL Witnesses: R. Kuehn L. A. Falkenberg	Patent Dates: Applied: Jun. 16, 1915 Granted: Apr. 01, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Electro-Magnetic Tool Co.
Description: Improvements to patent 938,709.

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