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Patent number:
Patent Date:
US Patent: 945,784
Commutator Truing Machine
Patentee:
Osman E. Hunt (
exact
or
similar
names) - Eagle Grove, Wright County, IA
USPTO Classifications:
29/27B
,
451/418
,
82/128
Tool Categories:
specialty tools
:
commutator truing tools
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Nov. 13, 1908
Granted:
Jan. 11, 1910
Patent Pictures:
USPTO
(New site tip)
Google Patents
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