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Patent number:
Patent Date:
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
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tiff
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"Vintage Machinery" entry for Rockwell Manufacturing Co.
Description:
Machine is a surface grinder.
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