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Patents Granted on 1980-04-??
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
D254,655Apr. 08, 1980D. BrickwoodMicrometermicrometers
4,196,506Apr. 08, 1980R.W. ReedTool Changer Machining Centertool changers and storage mechanisms
4,197,040Apr. 08, 1980W.W. WawrzyniakFacing and Boring Headfacing heads
4,197,888Apr. 15, 1980L.M. Yock, R.A. Browning, A.L. McGeeLog centering apparatus and method using transmitted light and reference edge log scannerwood lathe accessories
4,198,699Apr. 15, 1980R.W. CaddellMass Memory Access Method and Apparatusmachine tool controls
4,198,790Apr. 22, 1980P. GruberMethod for Finishing Spherical Rollersprofile and contour grinders
4,199,286Apr. 22, 1980E.E. KirkhamPower Drawbolt With Planetary Drivemetalworking machine mechanisms
4,199,455Apr. 22, 1980M.R. EstabrookCombined magnetic and cyclonic separating apparatus
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