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US Patent: 2,535,184
Method and Apparatus for Supplying Coolant to Grinding Wheels
Patentee: John C. Wilson (exact or similar names) - Springfield, Clark County, OH USPTO Classifications: 29/DIG.67, 451/450, 451/541 Tool Categories: metalworking machines : metalworking machine mechanisms : coolant apparatus Assignees: Thompson Grinder Co. - Springfield, Clark County, OH Manufacturer: Thompson Grinder Co. - Springfield, Clark County, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 13, 1949 Granted: Dec. 26, 1950 Patent Pictures: USPTO (New site tip) Google Patents 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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