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Patents Granted on 1906-03-20
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
815,381Mar. 20, 1906P.L. RobertsonCombination-tool
815,389Mar. 20, 1906J.A. TrautTry-Squaresquares
815,567Mar. 20, 1906H.K. StockwellMachine for turning & boring spools etc.drilling and boring
815,758Mar. 20, 1906L.S. StarrettScrew Holding Screwdriverscrewdrivers
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