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US Patent: 139,772
Improvement in processes of grinding journal boxes or bearings
Patentee:
J. Wendell Cole - Brooklyn, NY

USPTO Classifications:
451/28

Tool Categories:
woodworking machines : machine making

Assignees:
Tanite Co. - Stroudsburg, PA

Manufacturer:
Not known to have been produced

Witnesses:
Michael Ryan
Frederick Haynes

Patent Dates:
Applied: Dec. 07, 1872
Granted: Jun. 10, 1873

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Tanite Co.

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