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All Patents in class 408/12
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
831,697Sep. 25, 1906B.F. BarnesDrilling-machinedrill presses
1,803,740May 05, 1931G. VanderbeekBoring machinewood drilling and boring
1,909,767May 16, 1933W.M. Fairbairn, A.M. JohnsonMachine tooltapping machines
2,042,379May 26, 1936P.R. Guirl, J.S. BarnesMetal Working Apparatusmetalworking machine mechanisms
2,051,052Aug. 18, 1936E.K. MorganMachine Tool Hydraulic Control Systemhydraulic apparatus
2,083,023Jun. 08, 1937W.M. Fairbairn, A.M. JohnsonMachine toolmultiple spindle drill presses
2,426,621Sep. 02, 1947E.K. Morgan, H.B. Kraut, K.F. GallimoreMachine toolhorizontal boring mills
2,481,383Sep. 06, 1949T. Foster, S.A. Brandenburg, C.A. BickelMachine toolmultiple spindle lathes
2,550,649Apr. 24, 1951F.G. ZagarControl mechanism for hydraulic cutter operating and carriage shifting motors of machine toolshydraulic apparatus
2,807,973Oct. 01, 1957H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of)Apparatus for Manufacturing Crankshafts Automaticallycrankshaft lathes
3,816,016Jun. 11, 1974E.W. SchatzmanPower drilling machine with resistance triggered retractiondrill presses
3,874,809Apr. 01, 1975R.S. HahnApparatus for Machining Surface of Revolution Having Discontinuitesmetalworking machine mechanisms
4,485,857Dec. 04, 1984C.A. Knighten, B.D. NorlieDoor processing machinespecialty woodworking machines
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