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CA Patent: CA-216,497
Tool Holder
Porte-Outil
Patentee:
Gustav C. Schoenborn (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders
metalworking machines : drilling and boring : drill bits : metalworking counterbores

Assignees:
None

Manufacturer:
Manufacturers Machine Products Co. - Detroit, Wayne County, MI

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 07, 1922

Patent Pictures: [ 1 | 2 | 3 ]
CIPO Data
Report data errors or omissions to steward Joel Havens
Description:
This is the equivalent patent to the U.S. patent #1,341,934.

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