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US Patent: 2,308,854
Abrasive Article
Patentee:
Carl E. Barnes - Cambridge, Middlesex County,, MA

USPTO Classifications:
51/298, 526/292.6

Tool Categories:
metalworking machines : grinders : grinder wheels

Assignees:
Norton Co. - Worcester, Worcester County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 25, 1941
Granted: Jan. 19, 1943

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Norton Co.
Description:
Application in Great Britain, 28 Jun 1938.

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