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Patent number:
Patent Date:
US Patent: 672,419
Means for Controlling Electric Motors
Patentee:
Frederic Ayres Johnson (
exact
or
similar
names) - Binghamton, Broome County, NY
USPTO Classifications:
310/191
,
310/40R
,
322/52
,
388/835
Tool Categories:
electrical devices
:
electric motors
:
motor controls
Assignees:
Stow Mfg. Co.
- Binghamton, Broome County, NY
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 15, 1901
Granted:
Apr. 16, 1901
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Stow Mfg. Co.
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