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Patent number:
Patent Date:
US Patent: 613,853
Electric regulators
Patentee:
William H. Chapman (
exact
or
similar
names) - Portland, ME
USPTO Classifications:
322/25
,
322/80
,
335/62
,
338/194
,
338/98
Tool Categories:
Assignees:
Belknap Motor Co.
- Portland, ME
Manufacturer:
Not known to have been produced
Witnesses:
Mary E. Willard
William J. Knowlton
Patent Dates:
Applied:
Mar. 24, 1898
Granted:
Nov. 08, 1898
Patent Pictures:
USPTO
(New site tip)
Google Patents
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