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

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

Tool Categories:
metalworking machines : grinders

Assignees:
Norton Grinding Co. - Worcester, MA

Manufacturer:
Norton Grinding Co. - Worcester, MA

Witnesses:
Albert E. Fay
C. Forrest Wesson

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

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Norton Co.

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