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Patent number:
Patent Date:
US Patent: 660,618
Device for truing commutators
Patentee:
Percy B. Bosworth (
exact
or
similar
names) - Akron, OH
USPTO Classifications:
29/76.1
,
451/418
,
82/137
,
82/158
Tool Categories:
specialty machines
:
commutator dressing machines
Assignees:
Frank G. Carnahan
- Akron, OH
Percy B. Bosworth
- Akron, OH
Manufacturer:
Not known to have been produced
Witnesses:
C. P. Humphrey
C. E. Humphrey
Patent Dates:
Applied:
Aug. 10, 1900
Granted:
Oct. 30, 1900
Patent Pictures:
USPTO
(New site tip)
Google Patents
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