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All Patents in class 318/640
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
280,426Jul. 03, 1883W. WheelerFocus Regulator for Electric Arc Lampselectric arc lamps
2,651,746Sep. 08, 1953J.J. GanoControl Devicemilling machines
2,694,804Nov. 16, 1954E.K. WagnerPositioning Device
2,710,934Jun. 14, 1955J.A. SennMotor Controlled Machine Tool Positioning Mechanismmilling machines
3,596,153Jul. 27, 1971E.E. Kirkham, W.E. BrainardPositional control system for a machine tool
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