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All Patents of Type: gear making machines
Patents 1 - 15 of 279
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NumberDatePatenteeTitleType
5,614Jun. 06, 1848J.P. GaumeMachinery for cutting Cog-Wheels, &c.gear making machines
6,161Mar. 10, 1849G.H. CorlissMachine for Cutting the Cogs of Beveled Cog Wheelsgear making machines
25,759Oct. 11, 1859H. PfarrerGear Cutting Enginegear making machines
40,550Nov. 10, 1863A.T. BoonGear Cuttinggear making machines
56,149Jul. 03, 1866E. ParkerGear Cuttergear making machines
67,219Jul. 30, 1867T.B. RussellImprovements in Gear-Cutting Wheelsgear making machines
70,293Oct. 29, 1867J. UnderwoodMachine for Cutting Teeth of Wheelsgear making machines
78,896Jun. 16, 1868E. RobertsCutting Teeth on Metal Wheelsgear making machines
107,903Oct. 04, 1870J.L. HathawayFinishing Watch Wheelsgear making machines
118,262Aug. 22, 1871U. OppermannCombined Lathe and Gear Cuttermetal lathes
120,023Oct. 17, 1871H. BelfieldImprovement in Machines for Cutting the Teeth of Wheelsgear making machines
130,188Aug. 06, 1872R. CairnsImprovement in Gear Cutting Machinesgear making machines
135,218Jan. 28, 1873J.J. GreenoughGear Cutting Machinesgear making machines
152,400Jun. 23, 1874N.T. Y MirapeixGear-Cutting Machinegear making machines
153,370Jul. 21, 1874J.A. PeerGear Cutting Machinesgear making machines
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