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All Patents in class 409/22
Patents 1 - 6 of 6
First set of recordsLast set of records
510,122Dec. 05, 1893F.L. Eberhardt, H.E. Eberhardt, U. EberhardtGear-cutting and hobbing machinegear making machines
537,214Apr. 09, 1895V.W. Mason, Jr.Machine for hobbing worm-gearsgear making machines
606,700Jul. 05, 1898W. BeastowMachine for cutting worm gearsgear making machines
607,627Jul. 19, 1898F. Reece, administrator, M. Reece, administrator, J. Reece, Estate of (deceased)Machine for Cutting Teeth on Toothed Gearsgear making machines
806,075Nov. 28, 1905T. FawcusSpiral Gear Cutting Machinegear making machines
2,930,292Mar. 29, 1960W.C. Gleisner, Jr.Machine Tool Elevating Mechanism milling machines
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