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All Patents in class 409/201
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
58,076Sep. 18, 1866J.K. DirnerSloting Key Seatskey seating machines
144,745Nov. 18, 1873H. CottrellCarving Machinestone cutting machines
RE20,893Oct. 25, 1938H.W. BartholomewMilling Machinemilling machines
2,286,821Jun. 16, 1942L.D. LibbyMachine for Cutting Dies and the Likemilling machines
2,379,405Jul. 03, 1945J.B. ArmitageMilling Machinemilling machines
2,434,751Jan. 20, 1948J.B. Armitage, T. TreckerMachine Toolmilling machines
2,445,039Jul. 13, 1948J. RusnokTool mounting bracketvertical boring mills
2,499,842Mar. 07, 1950J.B. ArmitageMilling Machinemilling machines
2,675,744Apr. 20, 1954J.N. PetreMachine for Forming Screw Driver Bits of the Fluted Typescrewdriver blades
2,835,172May 20, 1958L.D. Libby, R.E. Saving, O.W. BarkerRotary Head Milling Attachmentmilling machine accessories
4,988,244Jan. 29, 1991E.E. Kirkham, P.C. SheldonSix axis machine tool
5,354,158Oct. 11, 1994B.P. Konkel, L.D. Ostby, E.E. Kirkham, P.C. SheldonSix axis machine tool
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