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US Patent: 757,394
Means for variably operating and controlling electric motors
Patentee:
Rudolf Eickemeyer (exact or similar names) - Yonkers, NY

USPTO Classifications:
388/849

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Osterheld
Rudolf Eickemeyer, Jr.

Patent Dates:
Applied: Jun. 02, 1893
Granted: Apr. 12, 1904

Patent Pictures:
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Vintage Machinery entry for Osterheld & Eickemeyer
Description:
Inventor Eickemeyer was deceased. There was an unusually long interval between the filing and granting of this patent.

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