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US Patent: 531,790
Method of operating or controlling electric motors or dynamos
Patentee:
Rudolf Eickemeyer (exact or similar names) - Yonkers, NY

USPTO Classifications:
310/191, 318/280, 361/237

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles Steinmetz
H. Rydquist

Patent Dates:
Applied: Nov. 02, 1891
Granted: Jan. 01, 1895

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Osterheld & Eickemeyer

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