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US Patent: 1,523,952
Grinding machine
Patentees:
John Nielsen - Beloit, WI
Ralph D. Gardner - Beloit, WI
Edward B. Gardner - Beloit, WI

USPTO Classifications:
451/269, 451/292

Tool Categories:
woodworking machines : sanding machines : disk sanders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 12, 1923
Granted: Jan. 20, 1925

Patent Pictures:
USPTO pdf tiff
Google Patents
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