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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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