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Patents Granted on 1981-09-__
Patents 1 - 6 of 6
First set of recordsLast set of records
D260,476Sep. 01, 1981G.H. KnaussMEYERPLIERlocking pliers
4,288,909Sep. 15, 1981J.T. Currer, A. Schabowski, E.J. KielmaAutomatic tool changer for machine tool
4,289,066Sep. 15, 1981N.J. ProgaHydraulic position control for mechanical power press slidesstamping presses
4,290,329Sep. 22, 1981T.O. GreenTorque Release Wrench of the Preset Typetorque wrenches
4,291,597Sep. 29, 1981H. AllenCork extractorself and partial cork pullers
4,292,577Sep. 29, 1981R.E. Stobbe, M.R. CesarzA.c. motor control circuit
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