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Patents for Herman R. Isler
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
684,432Oct. 15, 1901H.R. IslerEngine Lathemetal lathes
684,433Oct. 15, 1901H.R. IslerDifferential Speed Mechanismmetal lathes
704,645Jul. 15, 1902H.R. IslerDifferential Speed Mechanismmetal lathes
1,249,632Dec. 11, 1917H.R. IslerGrinding-machinesurface grinders
1,573,818Feb. 23, 1926H.R. Isler, S. EinsteinShock Absorbing Motion Acceleratormetalworking machine mechanisms
1,577,353Mar. 16, 1926H.R. Isler, S. EinsteinSteady Restcylindrical grinders
1,679,413Aug. 07, 1928H.R. Isler, L.F. Nenninger, S. EinsteinCutter Grindertool grinders
1,877,500Sep. 13, 1932H.R. Isler, S. EinsteinHydraulic Grindergrinding machines
1,924,608Aug. 29, 1933H.R. IslerCutter Grindertool grinders
1,935,633Nov. 21, 1933H.R. IslerGrinding Machinetool grinders
1,938,772Dec. 12, 1933H. Ernst, H.R. IslerHydraulic Drive for Milling Machineshydraulic apparatus
1,969,063Aug. 07, 1934H.R. Isler, H. ErnstGrinding Machinegrinding machines
1,975,947Oct. 09, 1934S. Einstein, H.R. IslerMachine Tooltool grinders
2,002,816May 28, 1935H.R. IslerMachine Tool Driveindexers and dividers
2,042,258May 26, 1936H.R. IslerUniversal Dividing Head Quadrantindexers and dividers
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