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US Patent: 530,176
Alternating-current motor and method of operating same
Patentee: Ludwig Gutmann (exact or similar names) - Pittsburgh, PA USPTO Classifications: 310/166, 318/781 Tool Categories: electrical devices : electric motors Assignees: None Manufacturer: Wagner Electric Mfg. Co. - St. Louis, MO Witnesses: E. G. Duvall, Jr. Edward P. Thompson	Patent Dates: Applied: Oct. 30, 1889 Granted: Dec. 04, 1894 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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