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US Patent: 458,164
Method of operating alternating electric motor
Patentee: Ludwig Gutmann (exact or similar names) - Pittsburgh, PA USPTO Classifications: 310/159 Tool Categories: electrical devices : electric motors Assignees: None Manufacturer: Wagner Electric Mfg. Co. - St. Louis, MO Witnesses: E. W. Keally J. W. Smith	Patent Dates: Applied: Feb. 04, 1890 Granted: Aug. 25, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wagner Electric Corp.
Description: Seen on a Wagner single-phase 3/4 horse motor with patent dates ranging between 1888-09-11 to 1910-05-31.

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