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US Patent: 480,728
Ring-armature
Patentee: Emil Kolben (exact or similar names) - Schenectady, NY USPTO Classifications: 310/215, 310/237, 310/267 Tool Categories: electrical devices : electric motors : motor armatures Assignees: Edison General Electric Co. - Schenectady, NY Manufacturer: Not known to have been produced Witnesses: Frederick Bathurst George H. Rupley	Patent Dates: Applied: Feb. 08, 1892 Granted: Aug. 16, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for General Electric Co.

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