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Patent number:
Patent Date:
US Patent: 1,972,623
Grinding Machine
Patentee:
Robert E. W. Harrison (
exact
or
similar
names) - Cincinnati, OH
USPTO Classifications:
451/123
,
451/125
,
451/142
,
451/237
Tool Categories:
metalworking machines
:
grinding machines
Assignees:
Cincinnati Grinders, Inc.
- Cincinnati, OH
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 07, 1932
Granted:
Sep. 04, 1934
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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