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All Patents in class 91/40
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
517,900Apr. 10, 1894N. TeslaSteam-Engine
1,259,045Mar. 12, 1918A.L. Proske, T.H. ProskeDrill Sharpener
1,971,773Aug. 28, 1934J. De MooyRiveting Machineriveting machines
1,998,003Apr. 16, 1935L.F. Nenninger, C.W. Goodrich, H. ErnstHydraulic Feed Controlhydraulic apparatus
2,107,108Feb. 01, 1938J. De MooyRotary Toolpneumatic tools
2,619,072Nov. 25, 1952E.C. Clarke, Jr., P.A. RickrodeDrop hammer controldrop hammers
2,713,246Jul. 19, 1955H. Fritschi, A.H. DallTracer Control Mechanism Having Independent Rate and Direction Controlprofiling machines
5,715,724Feb. 10, 1998C.J. Crout, R.N. HarrisAdaptive, self-regulating forging hammer control systemdrop hammers
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