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US Patent: 2,708,332
Coolant to grinding wheels
Patentees: Charles M. Buttiger (exact or similar names) - Detroit, MI Vernon E. Riddell (exact or similar names) - Detroit, MI USPTO Classifications: 451/450 Tool Categories: metalworking machines : grinders Assignees: Vinco Corp. - Detroit, MI Manufacturer: Vinco Corp. - Detroit, MI Witnesses: Unknown	Patent Dates: Applied: Feb. 10, 1951 Granted: May 17, 1955 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Vinco Corp.

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