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Patent number:
Patent Date:
US Patent: 142,642
Centering Chuck
Patentee:
George H. Miller (
exact
or
similar
names) - Binghamton, Broome County, NY
USPTO Classifications:
33/675
Tool Categories:
metalworking machines
:
metal lathes
:
metal lathe chucks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
William M. Crosby
Peter K. Kennedy
Patent Dates:
Applied:
Jul. 12, 1873
Granted:
Sep. 09, 1873
Patent Pictures:
USPTO
(New site tip)
Google Patents
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