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All Patents in class 451/69
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
985,272Feb. 28, 1911H.G. MillerMetal saw and trimmer
1,408,831Mar. 07, 1922W.S. RunnelsSawing and trimming machine
1,445,875Feb. 20, 1923R.W. Ellingham, C.E. Van NormanGrinding machine
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