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Patent number:
Patent Date:
US Patent: 282,049
Grinding Machine
Patentee:
Andrew Campbell (
exact
or
similar
names) - Brooklyn, Kings County, NY
USPTO Classifications:
451/160
,
451/287
,
451/365
Tool Categories:
stoneworking
:
stone dressing machines
Assignees:
John McLoughlin
- New York, NY
Edmund McLoughlin
- New York, NY
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 30, 1883
Granted:
Jul. 31, 1883
Patent Pictures:
USPTO
(New site tip)
Google Patents
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