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All Patents in class 200/19.13
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  816,062Mar. 27, 1906I.S. BarnettGas Engine
  821,546May 22, 1906H.E. SmallboneMultiple Cylinder Engine
2,591,353Apr. 01, 1952K.A. Harmon, G.A. GuernseyMake-before-break double-pole switch
  2,848,569Aug. 19, 1958R.Y. Moss, S.H. DurbinAutomation control device
  2,859,290Nov. 04, 1958C.M. GrinageMachine Tool Controller
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