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Patents for Henry E. Eberhardt
Patents 1 - 14 of 14
First set of recordsLast set of records
308,347Nov. 25, 1884U. Eberhardt, H.E. EberhardtLathe friction-brakemetalworking machine mechanisms
321,196Jun. 30, 1885U. Eberhardt, H.E. EberhardtDrilling-Machinedrill presses
407,339Jul. 23, 1889H.E. Eberhardt, U. EberhardtDrilling Machinedrill presses
433,458Aug. 05, 1890H.E. Eberhardt, U. EberhardtMilling-cuttermilling machine cutters
461,952Oct. 27, 1891U. Eberhardt, Jr., H.E. Eberhardt, U. EberhardtGear-cutting or milling-machinemilling machines
496,511May 02, 1893H.E. Eberhardt, F.L. Eberhardt, U. EberhardtRotary cutter for making similar teethmilling machine cutters
510,121Dec. 05, 1893U. Eberhardt, H.E. Eberhardt, F.L. EberhardtGear-cutting machinegear making machines
510,122Dec. 05, 1893F.L. Eberhardt, H.E. Eberhardt, U. EberhardtGear-cutting and hobbing machinegear making machines
515,906Mar. 06, 1894H.E. Eberhardt, U. EberhardtMultiplex gear-cuttergear making machines
541,475Jun. 25, 1895F.L. Eberhardt, H.E. Eberhardt, U. EberhardtCrank Planermetal shapers
575,393Jan. 19, 1897U. Eberhardt, H.E. Eberhardt, F.L. EberhardtGear-cutting machine with safety-stopgear making machines
617,723Jan. 17, 1899F.L. Eberhardt, H.E. Eberhardt, U. EberhardtGear-cutter clamp for wheel-blanksgear making machines
CA-80,900May 12, 1903E.G. Eberhardt, H.E. EberhardtCrank Planermetal shapers
821,932May 29, 1906F.L. Eberhardt, H.E. EberhardtMetal Planing Machinemetal shapers
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