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All Patents in class 235/132E
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,575,792Nov. 20, 1951R.D. Bullard, J.H. Sherwood, P.M. GeistControl Mechanism
  2,710,934Jun. 14, 1955J.A. SennMotor Controlled Machine Tool Positioning Mechanism
  2,853,664Sep. 23, 1958P.L. Jones, D.S. Evans, V.W. TownsDigital Servosystem for Postioning an Adjustable Member
  2,887,268May 19, 1959C.M. GrinagePlural Machine Control System
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