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Patents for Hans Ernst
Patents 61 - 75 of 92
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NumberDatePatenteeTitleType
2,160,777May 30, 1939H. Ernst, A.H. DallJournal Bearinggrinding machines
2,160,778May 30, 1939H. Ernst, A.H. DallBearinggrinding machines
2,164,888Jul. 04, 1939B. Sassen, F.S. Haas, H. ErnstVariable Delivery Pumpgrinding machines
2,170,494Aug. 22, 1939A.H. Dall, H. ErnstGrinding Machinegrinding machines
2,170,503Aug. 22, 1939H. Ernst, M.E. MartellottiMilling Machinemilling machines
2,216,550Oct. 01, 1940H. ErnstMachine Tool Control Mechanismmilling machines
2,241,637May 13, 1941A.H. Dall, H. ErnstDynamic Balancing Mechanism for Machine Toolsgrinding machines
2,254,002Aug. 26, 1941H. Ernst, J. DeckerGrinding Machinegrinding machines
2,271,817Feb. 03, 1942A.H. Dall, H. ErnstMicrometer Mechanismgrinding machines
2,289,110Jul. 07, 1942R.D. Wortendyke, H. ErnstMilling Speed Calculatorspeed and feed calculators
2,320,353Jun. 01, 1943M.E. Martellotti, H. ErnstPower Transmission Mechanismmetalworking power transmission
2,327,022Aug. 17, 1943S. Einstein, H. Ernst, A.H. DallSurface Finishing Machinerygrinding machines
2,331,967Oct. 19, 1943R.D. Wortendyke, H. ErnstCalculating Device
2,333,304Nov. 02, 1943C. Herfurth, A.H. Dall, H. ErnstSurface Finishing Machinerygrinding machines
CA-421,248Jul. 04, 1944M.E. Martellotti, H. ErnstPower Transmission Mechanismmilling machines
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