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Patent number:
Patent Date:
US Patent: 147,462
Bolt Threading Machines
Patentee:
Aurin Wood (
exact
or
similar
names) - Worcester, Worcester County, MA
USPTO Classifications:
408/62
,
470/66
Tool Categories:
metalworking machines
:
metal threading machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Oct. 24, 1873
Granted:
Feb. 10, 1874
Patent Pictures:
USPTO
(New site tip)
Google Patents
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