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Patents for Henry E. Eberhardt
Patents 1 - 15 of 18
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NumberDatePatenteeTitleType
308,347Nov. 25, 1884U. Eberhardt, H.E. EberhardtLathe friction-brakemetalworking machine mechanisms
321,196Jun. 30, 1885U. Eberhardt, H.E. EberhardtDrilling-Machinedrill presses
400,645Apr. 02, 1889H.E. Eberhardt, U. EberhardtAutomatic Machine for Cutting Rack Teethgear making machines
407,339Jul. 23, 1889H.E. Eberhardt, U. EberhardtDrilling Machinedrill presses
433,458Aug. 05, 1890U. Eberhardt, H.E. EberhardtMilling-cuttermilling machine cutters
461,952Oct. 27, 1891U. Eberhardt, H.E. Eberhardt, U. Eberhardt, Jr.Gear-cutting or milling-machinemilling machines
496,511May 02, 1893U. Eberhardt, F.L. Eberhardt, H.E. 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, 1893U. Eberhardt, H.E. Eberhardt, F.L. EberhardtGear-cutting and hobbing machinegear making machines
515,906Mar. 06, 1894U. Eberhardt, H.E. 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, 1899U. Eberhardt, H.E. Eberhardt, F.L. EberhardtGear-cutter clamp for wheel-blanksgear making machines
700,679May 20, 1902H.E. Eberhardt, F.L. Eberhardt, E.G. EberhardtCrank-planer or analogous toolmetal planers
712,273Oct. 28, 1902H.E. EberhardtShaft-drivermetal planers
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