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All Patents in class 173/170
Patents 1 - 15 of 43
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NumberDatePatenteeTitleType
271,781Feb. 06, 1883B. BrazelleSteam-enginepneumatic tools
284,173Sep. 04, 1883B. BrazelleDirect-acting enginepneumatic tools
433,150Jul. 29, 1890W.F. SchmidtThrottle Valve for Direct Acting Enginessteam engines
494,461Mar. 28, 1893F.H. CathcartPower-Driven Tool
649,754May 15, 1900C.B. RichardsPneumatic Toolpneumatic tools
735,589Aug. 04, 1903C.B. RichardsImpact Toolpneumatic tools
809,394Jan. 09, 1906A. PedersenElectrically-operated portable drillhandheld power tools
836,778Nov. 27, 1906A.J. PatchPneumatic Hammerpneumatic tools
912,655Feb. 16, 1909W.O. DuntleyPneumatic-tool handlepneumatic tools
993,352May 30, 1911W.O. DuntleyElectric drillhandheld power drills
1,004,437Sep. 26, 1911A. KimbleAlternating-current motorelectric motors
1,052,823Feb. 11, 1913A.M. IrvinePower Actuated Hand Toolriveting tools
1,053,744Feb. 18, 1913J.H. PhilipsSpring Hammerriveting tools
1,062,799May 27, 1913G.H. RoweRock drillminer
1,090,603Mar. 17, 1914E.I. DoddsPortable pneumatic toolpneumatic tools
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