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Patents Granted on 1988-11-??
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,781,086Nov. 01, 1988L.E. JohnstonFluid Fitting Wrenchwrenches
4,784,371Nov. 15, 1988W.L. KamperHydraulic jack having a small diameter bleed part in the cylinder wallhydraulic jacks
4,784,894Nov. 15, 1988E.J. Hummelt, E.E. Kirkham, R. JohnstoneMolded polymer composite
4,786,221Nov. 22, 1988K.L. MarchQuick release chuck mechanism and method for achieving interchange ability of tool inserts thereintapping machines
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