US Patent: 3,374,418
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Alternating Current Voltage Regulator Including System No-Load to Full-Load Compensating Means
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Patentees:
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Robert M. Henderson (exact or similar names) - Williams Bay, Walworth County, WI |
Richard Zechlin (exact or similar names) - Beloit, Rock County, WI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 13, 1965 |
Granted: |
Mar. 19, 1968 |
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Joel Havens "Vintage Machinery" entry for Fairbanks Morse & Co.
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