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Patents for Frank Zankl
Patents 1 - 15 of 58
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NumberDatePatenteeTitleType
2,764,067Sep. 25, 1956F. Zankl, J.B. ArmitageMachine Tool Transmission Mechanismmilling machines
2,843,024Jul. 15, 1958F. Zankl, T.A. Wetzel, J.B. Armitage, G.G. BaumbachDual Transmission and Control Mechanismmilling machines
2,925,018Feb. 16, 1960F. Zankl, J.G. Osburn, J.B. LukeyQuill Retracting and Positioning Mechanismmilling machines
2,959,976Nov. 15, 1960F. ZanklBacklash Eliminatormetalworking machine mechanisms
2,963,945Dec. 13, 1960F. Zankl, J.G. Osburn, J.L. Martin, O.W. BarkerTransmission and Control Mechanismmetalworking power transmission
CA-622,576Jun. 20, 1961F. Zankl, J.G. Osburn, J.B. LukeyQuill retracting and positioning mechanismmilling machines
2,988,965Jun. 20, 1961F. Zankl, G.G. Baumbach, T.A. Wetzel, J.B. ArmitageSpindle Construction and Dual Transmission Thereformilling machines
CA-634,743Jan. 16, 1962J.L. Martin, F. Zankl, J.G. Osburn, O.W. BarkerTransmission and control mechanismmilling machines
3,016,804Jan. 16, 1962J.G. Osburn, F. ZanklProgram Control Systemmilling machines
CA-681,147Mar. 03, 1964F. Zankl, J.G. OsburnProgram control systemmilling machines
3,163,087Dec. 29, 1964F. Zankl, G.R. Weber, R.E. Stobbe, J.G. Osburn, J.E. CroweMachine Tool Control Systemmilling machines
3,176,530Apr. 06, 1965F. Zankl, R.E. StobbeAuto-Cycle Control Systemmilling machines
3,218,706Nov. 23, 1965E.R. Lohneis, F. ZanklMachine Tool with Tool Changermilling machines
3,220,274Nov. 30, 1965F. Zankl, R.E. Stobbe, J.G. OsburnAutomatic Cycle Control Systemmilling machines
3,263,571Aug. 02, 1966F. ZanklCounterbalance for a Machine Toolmilling machines
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