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All Patents in class 409/56
Patents 1 - 15 of 22
First set of recordsNext set of recordsLast set of records
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
255,409Mar. 28, 1882A.H. BrainardGear-cutting machinegear 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
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
515,906Mar. 06, 1894H.E. Eberhardt, U. EberhardtMultiplex gear-cuttergear making machines
539,792May 28, 1895F.H. BultmanAutomatic gear-cutting and milling machinegear making machines
547,944Oct. 15, 1895G.N. Van DerhoefGear cutting machinegear making machines
553,037Jan. 14, 1896A. MertesGear-cutting machinegear making machines
577,707Feb. 23, 1897J. BarkerGear-cutting machinegear making machines
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