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Patent number:
Patent Date:
US Patent: 1,804,197
Centerless Grinding
Patentees:
George W. Binns (
exact
or
similar
names) - Cincinnati, OH
Walter D. Archea (
exact
or
similar
names) - Cincinnati, OH
Lester F. Nenninger (
exact
or
similar
names) - Cincinnati, OH
USPTO Classifications:
451/242
,
451/335
Tool Categories:
metalworking machines
:
grinding machines
Assignees:
Cincinnati Grinders, Inc.
- Cincinnati, OH
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 17, 1926
Granted:
May 05, 1931
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Grinders, Inc.
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