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All Patents in class 409/57
Patents 1 - 15 of 15
First set of recordsLast set of records
23,484Apr. 05, 1859W. ObenchainMachine for Making Wooden Patterns for Cog-Wheels, &c.carving machines
326,889Sep. 22, 1885D. SlateGear-Cuttergear making machines
532,127Jan. 08, 1895L.E. WhitonGear-cutting machinegear making machines
605,249Jun. 07, 1898J.E. GleasonMachine for forming gear-teethgear making machines
607,626Jul. 19, 1898F.A. Shea, Administrator, J. Reece, Estate of (deceased), M. Reece, administratorMachine for Cutting Wormsgear making machines
621,519Mar. 21, 1899W.G. BurnhamGear-cutting machinegear making machines
624,676May 09, 1899E.H. ParksGear-cutting machinegear making machines
642,667Feb. 06, 1900O.J. BealeMechanical Movementmetalworking machine mechanisms
744,110Nov. 17, 1903C. De Los RiceGear Cutting Machinegear making machines
750,485Jan. 26, 1904J. ParkerGear Cutting Machinegear making machines
766,245Aug. 02, 1904F. HardingeAutomatic gear cutting machinegear making machines
842,989Feb. 05, 1907R.T. WingoSpiral Cutting Machinemetalworking machines
1,283,693Nov. 05, 1918C.E. DerrMachine for Cutting Gearsgear making machines
2,161,268Jun. 06, 1939W.F. ZimmermannConoidal Bit Cutting Machinegear hobbing machines
4,463,488Aug. 07, 1984D.J. PieczulewskiIndexing work tableindexers and dividers
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