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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:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for General Electric Co.

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