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All Patents in class 226/190
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
103,474May 24, 1870V. KnechtImproved pulley-sheave
  604,661May 24, 1898H.M. Johnston, G.W. MasonLumber-edger
  612,958Oct. 25, 1898I. StoneWeb tension device
  838,772Dec. 18, 1906D. CraneHolding-down rolls for sawmills
  920,948May 11, 1909J.L. GrahamPress-roll mechanism
  3,180,207Apr. 27, 1965J.F. HerrmannViewing Device for Microfilm Strip
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