US Patent: 757,394
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| Means for variably operating and controlling electric motors
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Patentee:
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| Rudolf Eickemeyer (exact or similar names) - Yonkers, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 02, 1893 |
| Granted: |
Apr. 12, 1904 |
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Jeff Joslin
Vintage Machinery entry for Osterheld & Eickemeyer
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Description: |
| Inventor Eickemeyer was deceased. There was an unusually long interval between the filing and granting of this patent. |
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