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CA Patent: CA-218,476
Electrically operated tool
Patentee: James Somerville Knowlson (exact or similar names) - Oak Park, IL USPTO Classifications: 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: Unknown	Patent Dates: Granted: May 09, 1922 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Electro-Magnetic Tool Co.
Description: This is the Canadian equivalent of US patent 1,298,966.

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