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All Patents in class 173/170
Patents 1 - 15 of 32
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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
809,394Jan. 09, 1906A. PedersenElectrically-operated portable drillhandheld power tools
912,655Feb. 16, 1909W.O. DuntleyPneumatic-tool handlepneumatic tools
993,352May 30, 1911W.O. DuntleyElectric drillhandheld drills
1,004,437Sep. 26, 1911A. KimbleAlternating-current motorelectric motors
1,099,392Jun. 09, 1914R.A. NorlingPneumatic-turbine drillpneumatic tools
1,245,860Nov. 06, 1917S.D. Black, A.G. DeckerElectrically-driven toolhandheld power tools
1,502,169Jul. 22, 1924C.B. BennettElectric toolhandheld drills
1,539,068May 26, 1925B.W. BrockettMotor hand toolhandheld drills
1,539,069May 26, 1925B.W. BrockettHandle for motor hand toolshandheld drills
1,548,020Aug. 04, 1925S.D. Black, A.G. DeckerReversing means for electric toolshandheld power tools
1,702,742Feb. 19, 1929W. MorettiElectric toolhandheld drills
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