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US Patent: 2,429,250
Grinding machine
Patentees:
Eric A. Reibig - Milwaukee, WI
Christy A. Wiken - Milwaukee, WI

USPTO Classifications:
451/274, 451/414, 82/148

Tool Categories:

Assignees:
Rockwell Manufacturing Co. - Pittsburgh, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 22, 1943
Granted: Oct. 21, 1947

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Rockwell Manufacturing Co.
Description:
Machine is a surface grinder.

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