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Patents Granted on 1987-__-__
Patents 1 - 15 of 41
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CA-1,216,414Jan. 13, 1987E.J. KielmaNumerically controlled automatic tool changing machining center having a bar-type spindletool changers and storage mechanisms
4,635,458Jan. 13, 1987C.R. BradleeLeveling apparatus
4,637,054Jan. 13, 1987A. HashimInspecting articles
4,637,283Jan. 20, 1987P. Steiner, R.L. Bakoschek, L. BertramCorkscrew deviceself and partial cork pullers
D287,928Jan. 27, 1987K. WatanabePivoted Jaw Wrenchself-adjust wrenches
4,643,037Feb. 17, 1987C.J. KisGear change mechanism
4,644,831Feb. 24, 1987M. YangAdaptor Sleevetool holders
4,651,076Mar. 17, 1987N.E. Oltendorf, M. MarhoeferPower maximizing circuit for stepper motors
4,653,300Mar. 31, 1987R.N. Harris, C.W. Frame, C.J. CroutAdaptive, self-regulating forging hammer control systemdrop hammers
4,653,561Mar. 31, 1987M. PayeurLog debarking machinedebarking machines
CA-1,220,018Apr. 07, 1987R. JohnstoneMotorized ball nutmetalworking machine mechanisms
CA-1,220,186Apr. 07, 1987F.V. MarchalRobinet A Boisseau Spherique Pour Hautes Pressionsvalves
4,656,418Apr. 07, 1987L.D. Pacetti, J.T. BostonMolded Clamp-Type Ammeter Probe
4,658,678Apr. 21, 1987G. PrachtCork screw furnished with a bell-shaped housingself and partial cork pullers
4,658,681Apr. 21, 1987H. Pollak, G.V. WellsPortable lathewood lathes
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