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Patents Granted on 1912-08-20
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-142,441Aug. 20, 1912J.H. MinerLubricator
1,035,860Aug. 20, 1912C.M. ConradsonSpeed Variatormetalworking machine mechanisms
1,035,974Aug. 20, 1912E.N. KraemerValve Spring Releaser and Retainervalve spring tools
1,036,023Aug. 20, 1912W.E. StephensAutomobile-horn
1,036,058Aug. 20, 1912A.D. BakerReversible Variable Cut-Off Valve Gear for Locomotivessteam engine valve gear
1,036,155Aug. 20, 1912C.E. ShieldsCombination Bench Vise and Anvilvises
1,036,190Aug. 20, 1912N.D. ChardLathemetal lathes
1,036,250Aug. 20, 1912J.E. JohnsonNurling Machine
1,036,261Aug. 20, 1912C.M. KingmanRope making machinerope maker
1,036,379Aug. 20, 1912F.A. TibbalsScrewdriverratcheting screwdrivers
1,036,394Aug. 20, 1912T.B. WilliamsMachine for facing valve-seats
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