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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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