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US Patent: 151,669
Improvement in metal shaping and dressing machines
Martin Newman - Unadilla, NY

USPTO Classifications:
451/121, 451/155, 451/237

Tool Categories:
metalworking machines : grinders : surface grinders

Martin Newman - Unadilla, NY
Lorenzo M. Newman - Unadilla, NY

Tanite Co. - Stroudsburg, PA

H. L. Wattenberg
G. M. Plympton

Patent Dates:
Applied: Mar. 31, 1874
Granted: Jun. 02, 1874

Patent Pictures:
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"Vintage Machinery" entry for Tanite Co.
According to an article in Manufacturer & Builder, this machine, which was manufactured by Tanite Co. into at least the 1890s, was originally intended for shaping sad-irons.

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