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US Patent: 3,458,793
Permanent magnet motor for hand tools and speed control systems therefor
Patentee:
Athanase N. Tsergas (exact or similar names) - Des Plaines, IL

USPTO Classifications:
310/154.22, 310/195, 310/50, 310/68R, 388/820, 388/919, 388/928.1, 74/529

Tool Categories:
electrical devices : electric motors

Assignees:
Ram Tool Corp. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 27, 1966
Granted: Jul. 29, 1969

Patent Pictures:
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