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Patents for Thomas S. Watson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberTitleClassification(s)
649,972Electric-motor-controlling device200/563, 200/8A, 307/101, 318/250, 338/153
792,684Electric motor123/179.22, 180/65.1, 192/129A, 192/84.1, 310/91, 477/13, 74/6
CA-275,069Motor-controlling device
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