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Patent number:
Patent Date:
US Patent: 1,011,919
System of motor control
Patentee:
Herbert W. Cheney (
exact
or
similar
names) - Milwaukee, WI
USPTO Classifications:
318/263
,
318/740
,
318/829
,
338/110
,
338/51
Tool Categories:
electrical devices
:
electric motors
:
motor controls
Assignees:
Allis-Chalmers Co.
- Milwaukee, WI
Manufacturer:
Allis-Chalmers Co.
- Milwaukee, WI
Witnesses:
Charles L. Byron
H. C. Case
Patent Dates:
Applied:
Apr. 15, 1909
Granted:
Dec. 19, 1911
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Allis-Chalmers Co.
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