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US Patent: 2,561,004
Method and Apparatus for Grinding
Patentees:
John C. Wilson (exact or similar names) - Springfield, Clark County, OH
William G. Baldenhofer (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
125/11.03, 451/200, 451/28, D15/124

Tool Categories:
metalworking machines : grinders : surface grinders

Assignees:
Thompson Grinder Co. - Springfield, Clark County, OH

Manufacturer:
Thompson Grinder Co. - Springfield, Clark County, OH

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 27, 1949
Granted: Jul. 17, 1951

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Thompson Grinder Co.
Description:
This patent was listed on a Thompson Grinder Co. patent plate.

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