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All Patents in class 409/56
Patents 1 - 15 of 28
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NumberDatePatenteeTitleType
23,484Apr. 05, 1859W. ObenchainMachine for Making Wooden Patterns for Cog-Wheels, &c.carving machines
49,881Sep. 12, 1865C.R. JamesCutting Wooden Gearingwood gear cutters
130,188Aug. 06, 1872R. CairnsImprovement in Gear Cutting Machinesgear making machines
241,907May 24, 1881H.C. BarnesLathe Attachmentgear making machines
255,409Mar. 28, 1882A.H. BrainardGear-cutting machinegear making machines
282,059Jul. 31, 1883C.W. CraryGear Cuttergear making machines
363,000May 17, 1887E. RivettWatch-maker's lathewatchmakers lathes
389,905Sep. 25, 1888E. RivettGear-shaping attachment for watch-makers' lathesgear making machines
414,803Nov. 12, 1889J.C. FowlerMachine for Cutting Lobed Gearsgear making machines
431,139Jul. 01, 1890W. CurtissMachine for dressing the teeth of gear-wheelsgear making machines
461,952Oct. 27, 1891U. Eberhardt, H.E. Eberhardt, U. Eberhardt, Jr.Gear-cutting or milling-machinemilling machines
472,519Apr. 12, 1892A.H. BrainardGear Cutting Machinegear making machines
505,606Sep. 26, 1893E.H. ParksGear-cutting machinegear making machines
510,121Dec. 05, 1893U. Eberhardt, H.E. Eberhardt, F.L. EberhardtGear-cutting machinegear making machines
512,550Jan. 09, 1894H.K. KebabianWheel Cutting Fixture for Watch Makers Lathesmetal lathe accessories and attachments
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