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US Patent: 787,027
Monophase and polyphase alternating-current machine
Patentee: Michael von Dolivo-Dobrowolsky (exact or similar names) - Berlin, Germany USPTO Classifications: 322/27, 322/59, 322/63, 322/86 Tool Categories: electrical devices : electric motors : induction motors Assignees: None Manufacturer: Not known to have been produced Witnesses: Ernst Holm Robert Kühnel	Patent Dates: Applied: May 18, 1903 Granted: Apr. 11, 1905 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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