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US Patent: 2,589,620
Apparatus for Cleaning, Dressing, and Grinding Wheels
Patentee:
Guy H. Leffel (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
125/11.03, 15/256.51, 15/262, 451/444

Tool Categories:
metalworking machines : grinders : grinder dressers

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

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

Witnesses:
Unknown

Patent Dates:
Applied: May 03, 1947
Granted: Mar. 18, 1952

Patent Pictures:
USPTO (New site tip)
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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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