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Patents for Orrin W. Barker
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,263,404Nov. 18, 1941O.W. Barker, J.B. ArmitageBoring and Milling Machinemilling machines
2,275,241Mar. 03, 1942O.W. Barker, J.B. ArmitageMachine Tool Transmission and Control Mechanismmilling machines
2,293,880Aug. 25, 1942O.W. Barker, J.B. ArmitageMachine Tool Transmission and Control Mechanismmilling machines
2,407,913Sep. 17, 1946O.W. Barker, J.B. ArmitageMachine Tool Transmission and Control Mechanismmilling machines
2,434,750Jan. 20, 1948F.D. Boehmer, K.A. Riedel, O.W. Barker, J.B. Armitage, T. TreckerMachine Toolmilling machines
2,557,405Jun. 19, 1951O.W. Barker, J.B. ArmitageAdjustable Bearingmetalworking machine mechanisms
2,605,678Aug. 05, 1952O.W. Barker, J.B. ArmitageMilling and Boring Machinemilling machines
2,621,566Dec. 16, 1952O.W. Barker, J.B. ArmitageMachine Tool Structure and Transmission Mechanismmilling machines
2,749,811Jun. 12, 1956J.J. Lenert, O.W. BarkerTransfer Machinesmilling machines
2,818,002Dec. 31, 1957J.J. Lenert, O.W. BarkerTransfer Machinesmilling machines
2,835,172May 20, 1958L.D. Libby, R.E. Saving, O.W. BarkerRotary Head Milling Attachmentmilling machine accessories
2,952,190Sep. 13, 1960O.W. BarkerBacklash Eliminatormilling machines
2,963,945Dec. 13, 1960F. Zankl, J.G. Osburn, J.L. Martin, O.W. BarkerTransmission and Control Mechanismmetalworking power transmission
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