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US Patent: 597,418
Regulation of dynamo-electric machinery
Patentee:
Frederick Ayres Johnson (exact or similar names) - Binghamton, NY

USPTO Classifications:
310/191, 310/220, 322/52, 388/835

Tool Categories:
electrical devices : electric motors

Assignees:
None

Manufacturer:
Stow Mfg. Co. - Binghamton, NY

Witnesses:
Howard Supple
J. M. Johnson

Patent Dates:
Applied: Apr. 14, 1897
Granted: Jan. 18, 1898

Patent Pictures:
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Vintage Machinery entry for Stow Mfg. Co.
Description:
This patent date is listed in a Stow Mfg. Co. catalog for a "Bi-polar Stow multi-speed motor".

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