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Patents Granted on 1932-06-28
Patents 1 - 4 of 4
First set of recordsLast set of records
1,864,654Jun. 28, 1932B.L. Conley, F.S. KingstonElectric switchelectric switches
1,864,707Jun. 28, 1932C.R. AldenSlip bushingdrill press accessories
1,864,834Jun. 28, 1932M.M. KlossonCentrifugal Pump Impellerrotary pumps
1,865,247Jun. 28, 1932W.B. GorrValve Gearsteam engine valve gear
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