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US Patent: 1,391,039
Electric Grinder
Patentee:
Chester H. Beach - Racine, Racine County, WI

USPTO Classifications:
15/52.1, 451/294, 451/360, 451/433, 451/440

Tool Categories:

Assignees:
Wisconsin Electric Co. - Racine, Racine County, WI

Manufacturer:
Not known to have been produced

Witnesses:
R. Burkhardt

Patent Dates:
Applied: May 23, 1919
Granted: Sep. 20, 1921

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for Wisconsin Electric Co.
Description:
Sheridan, Jones, Sheridan & Smith patent attorneys.

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