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US Patent: 1,227,809
Method and Means for Transforming Direct Current
Patentee: John C. Lincoln (exact or similar names) - Cleveland, OH USPTO Classifications: 323/203 Tool Categories: electrical devices : electric generators Assignees: Lincoln Electric Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 02, 1912 Granted: May 29, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Lincoln Electric Co.

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