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US Patent: 1,339,452
Dressing-tool for grinding-wheels
Patentee:
Edwin T. Gorham (exact or similar names) - Grand Rapids, MI

USPTO Classifications:
125/11.03

Tool Categories:
industrial tools : grinding wheels : grinder dressers
metalworking machines : grinders : sharpening machines : drill sharpening machines
metalworking machines : grinders : grinder dressers

Assignees:
Wilmarth & Morman Co. - Grand Rapids, MI

Manufacturer:
Covel Mfg. Co. - Benton Harbor, MI
Wilmarth & Morman Co. - Grand Rapids, MI

Witnesses:
Unknown

Patent Dates:
Applied: May 17, 1917
Granted: May 11, 1920

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Covel Mfg. Co.
Vintage Machinery entry for Wilmarth & Morman Co.
Description:
This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.

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