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All Patents in class 409/272
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,467,525Sep. 11, 1923O.H. BankerBroaching machine
  2,132,540Oct. 11, 1938G.R. Squibb, H.L. PopeBroaching Machine
  2,280,229Apr. 21, 1942H.J. Siekmann, W.F. GroeneMultiple Spindle Broaching Lathe
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