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US Patent: 599,892
Electric regulator for dynamos
Patentee:
William H. Chapman (exact or similar names) - Portland, ME

USPTO Classifications:
307/104, 322/28, 322/80

Tool Categories:

Assignees:
Belknap Motor Co. - Portland, ME

Manufacturer:
Not known to have been produced

Witnesses:
Hiram Knowlton
William J. Knowlton

Patent Dates:
Applied: Feb. 10, 1897
Granted: Mar. 01, 1898

Patent Pictures:
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