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Patents for Chester O. Holland
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,942,927Jan. 09, 1934C.O. Holland, A.M. JohnsonHydraulically actuated indexing mechanism
  2,255,583Sep. 09, 1941C.O. HollandHoning machine
  2,279,462Apr. 14, 1942R.T. Brokaw, C.O. Holland, E.F. LundeenCombined drilling and tapping machine
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