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All Patents in class 91/447
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
230,612Aug. 03, 1880C.M. BrownPower-hammertrip and helve hammers
1,937,244Nov. 28, 1933G.M. PeltonControl means for dogging mechanismsawmill dogs
2,027,706Jan. 14, 1936L.L. Schauer, J.H. McKewenCounterbalance valvedrill presses
3,003,472Oct. 10, 1961R.M. Ferris, D.C. MillerQuill Actuating and Clamping Mechanismmilling machines
3,077,132Feb. 12, 1963C.H. WhitmoreFeed control for band sawsmetal cutting bandsaws
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