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All Patents in class 417/288
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  5,423Feb. 01, 1848R. DillonHydraulic Engine
  1,769,898Jul. 01, 1930W.E. MathewsUnloading System for Compressors
  1,945,632Feb. 06, 1934R.E. FlandersMachine Tool and Hydraulic Feed Mechanism Therefor
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