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Patents for E. O. Hagan
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
264,111Sep. 12, 1882M. ShawverSaw-mill dog
706,042Aug. 05, 1902C.C. FieldsWrench
744,295Nov. 17, 1903W.U. ColtharSpring-motor
784,164Mar. 07, 1905W.U. Colthar, C.H. KayVibrator
  862,216Aug. 06, 1907R.P. ThompsonBearing
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