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Patents Granted on 1990-07-17
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
D309,246Jul. 17, 1990S.R. Wente, T.S. Severson, D.J. Caldwell, S.S. CascioScrewdriverscrewdrivers
4,942,356Jul. 17, 1990L.D. Pacetti, D. Mieczkowski, S.E. Michalski, D.R. EllingenModular electronic device
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