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Patent number:
Patent Date:
US Patent: 50,329
Centering Chuck
Patentee:
Thomas Brooks (
exact
or
similar
names) - Middletown, Middlesex County, CT
USPTO Classifications:
279/64
Tool Categories:
metalworking machines
:
drilling and boring
:
drill presses
:
drill press chucks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Granted:
Oct. 10, 1865
Patent Pictures:
USPTO
(New site tip)
Google Patents
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