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All Patents in class 74/582
Patents 1 - 10 of 10
First set of recordsLast set of records
115,600Jun. 06, 1871J.S. Crane, J.T. GilmoreImprovement in Machines for Dressing Millstonesmiller
264,816Sep. 19, 1882A. BeaudryPower-hammerdrop hammers
285,389Sep. 25, 1883J.C. ButterfieldAtmospheric hammerdrop hammers
407,688Jul. 23, 1889A. RenetzkyDrillhand drills
665,249Jan. 01, 1901L. MayerTrip-hammer ram connectiondrop hammers
774,791Nov. 15, 1904J.D. SeibertPower Hammerpower hammers
778,889Jan. 03, 1905A.D. PlowdenAutomatic take-upsaw sharpening machines
824,331Jun. 26, 1906J.P. BarnesChain Grate
837,519Dec. 04, 1906W.G. Simcock, G.H. TolleyPower Hammerpower hammers
854,353May 21, 1907F.G. HobartPumpfuel pumps
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