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All Patents in class 327/535
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  3,286,127Nov. 15, 1966R.L. HenryElectric Discharge Machining Apparatus with Current Control Means
  3,304,488Feb. 14, 1967R. Zechlin, R.M. HendersonElectronic Current Regulator
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