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US Patent: 410,468
Reactive and Induction Coil
Patentees: Elihu Thomson (exact or similar names) - Lynn, Essex County, MA Edwin Rice, Jr. (exact or similar names) - Lynn, Essex County, MA USPTO Classifications: 336/59 Tool Categories: electrical devices : magnetic coils Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 06, 1887 Granted: Sep. 03, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Thomson-Houston Electric Co.

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