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All Patents in class 318/614
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  2,422,448Jun. 17, 1947W. TribleRemote Control Means for Speed Change Mechanism
  2,511,956Jun. 20, 1950T.A. WetzelTracer Controlled Machine Tool
  3,444,446May 13, 1969S. Lenders, F.G. BurgFine-medium-coarse servomotor position control
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