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US Patent: 3,009,294
Grinder with wheel dresser
Patentees:
Thomas J. Lindem - Rockford, IL
Jan van Roojen - Rockford, IL

USPTO Classifications:
451/237, 451/294, 474/25, 474/37

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
Ingersoll Milling Machine Co. - Rockford, IL

Manufacturer:
Ingersoll Milling Machine Co. - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: May 07, 1960
Granted: Nov. 21, 1961

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Ingersoll Milling Machine Co.

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