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All Patents in class 327/494
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,193,698Jul. 06, 1965R.M. Henderson, R. ZechlinTransistor Controlled Speed Shuntdiesel locomotives
3,448,294Jun. 03, 1969R. Zechlin, R.M. HenryMultiphase Power Switching Circuitelectronic circuitry and apparatus
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