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All Patents in class 91/443
Patents 1 - 8 of 8
First set of recordsLast set of records
50,320Oct. 10, 1865J.M. AlbertsonImprovement in cut-off valves
694,780Mar. 04, 1902C.S. PrescottSteam set-workssawmill set works
1,244,664Oct. 30, 1917H.E. WarrenFluid-operated lathemetal lathes
1,537,437May 12, 1925G. GraffinbergerTrimmer-saw mechanismcircular sawmills
2,286,880Jun. 16, 1942W.A. TrautHydraulic Control System
2,444,474Jul. 06, 1948B.R. PurvinFluid pressure device
2,454,235Nov. 16, 1948E.J. TomekDrilling machinemultiple spindle drill presses
3,077,132Feb. 12, 1963C.H. WhitmoreFeed control for band sawsbandsaws
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