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All Patents in class 318/663
Patents 1 - 4 of 4
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PictureNumberDatePatenteeTitle
  2,228,902Jan. 14, 1941A. AllenAutomatically Controlled Machine Tool and Follow-Up System
  2,741,732Apr. 10, 1956F.W. CunninghamMotor Control System for Automatic Machine Tools
  3,432,744Mar. 11, 1969L.J. Lauler, M.T. ThorssonControl Circuits for Card Operated Batcher
  3,444,446May 13, 1969S. Lenders, F.G. BurgFine-medium-coarse servomotor position control
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