US Patent: 404,567
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| System of generators for alternating electric currents
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Patentee:
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| Oliver B. Shallenberger (exact or similar names) - Rochester, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 08, 1888 |
| Granted: |
Jun. 04, 1889 |
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Jeff Joslin
Vintage Machinery entry for Westinghouse Electric & Mfg. Co.
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Description: |
| This patent relates to two-phase distribution systems which Westinghouse was researching at the time. Inventor Shallenberger had developed a power usage meter device that was considered by George Westinghouse to be a key component of their electrical distribution system offering; it worked at 133 Hertz which would prove to be an obstacle to the development of a viable polyphase alternate-current distribution system. |
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