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All Patents in class 409/257
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,024,254Dec. 17, 1935E.G. Roehm, M. RomaineBroaching Machine
2,025,070Dec. 24, 1935E.E. NygrenMetal cutting machine
2,063,955Dec. 15, 1936B.P. SchiltzApparatus for machining metal parts
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