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US Patent: 945,979
Grinding-machine
Machine for grinding crankshafts
Patentees:
Hiram N. Cudworth - Worcester, MA
John C. Spence - Worcester, MA
Charles H. Norton - Worcester, MA

USPTO Classifications:
451/249, 451/399, 82/106, 82/150, 82/151, 82/153

Tool Categories:
metalworking machines : grinding machines

Assignees:
Norton Grinding Co. - Worcester, MA

Manufacturer:
Norton Grinding Co. - Worcester, MA

Witnesses:
C. Forrest Wesson
Albert E. Fay

Patent Dates:
Applied: Jan. 04, 1902
Granted: Jan. 11, 1910

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Norton Co.

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