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US Patent: 1,733,086
Centerless Grinder
Patentee:
Edward Sobolewski - Detroit, Wayne County, MI

USPTO Classifications:
451/189, 451/194, 451/242

Tool Categories:
metalworking machines : grinders : centerless grinders

Assignees:
Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 23, 1921
Granted: Oct. 22, 1929

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Cincinnati Grinders, Inc.

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