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US Patent: 2,436,466
Method and Apparatus for Grinding and Lapping
Patentee:
John C. Wilson - Springfield, Clark County, OH

USPTO Classifications:
451/137, 451/28, 451/914

Tool Categories:
metalworking machines : grinders : surface grinders

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 27, 1945
Granted: Feb. 24, 1948

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Thompson Grinder Co.

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