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All Patents in class 29/DIG.51
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,006,529Oct. 24, 1911R.S. BrownJournal Box
  2,162,038Jun. 13, 1939W. TribleGrinding Machine
  2,434,750Jan. 20, 1948F.D. Boehmer, K.A. Riedel, O.W. Barker, J.B. Armitage, T. TreckerMachine Tool
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