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Patent number:
Patent Date:
US Patent: 140,832
Improvement in sharpening-machines
Machine for dressing lathe centers
Patentees:
James P. Kealy (
exact
or
similar
names) - Bridgeport, CT
Joseph Rigney (
exact
or
similar
names) - Bridgeport, CT
USPTO Classifications:
408/124
,
408/22
,
451/155
,
451/436
,
451/65
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
David Shattuck
Michael Eberhard
Patent Dates:
Applied:
Mar. 29, 1873
Granted:
Jul. 15, 1873
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
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