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All Patents of Type: handheld power tools
Patents 1 - 15 of 38
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NumberDatePatenteeTitleType
712,537Nov. 04, 1902C.S. HiseyElectric grinding devicehandheld power tools
1,229,401Jun. 12, 1917S.D. Black, A.G. DeckerDrill gearinghandheld power tools
1,245,860Nov. 06, 1917S.D. Black, A.G. DeckerElectrically-driven toolhandheld power tools
1,372,045Mar. 22, 1921R.G. SedgewickValve grinderhandheld power tools
1,492,095Apr. 29, 1924S.D. Black, A.G. DeckerElectrically-driven toolhandheld power tools
1,525,357Feb. 03, 1925F.J. BackscheiderPortable electric toolhandheld power tools
1,548,020Aug. 04, 1925S.D. Black, A.G. DeckerReversing means for electric toolshandheld power tools
1,603,478Oct. 19, 1926R.E. LeesValve resurfacing mechanismhandheld power tools
1,623,290Apr. 05, 1927F.W. WappatPortable sawcircular saws
1,633,389Jun. 21, 1927W. StumpfElectric toolhandheld power tools
1,651,823Dec. 06, 1927T.J. KelleherElectric sheet metal cutterhandheld power tools
1,684,633Sep. 18, 1928A. LevedahlScrew or nut driving device for portable power-driven rotary toolshandheld power tools
1,690,103Nov. 06, 1928E.L. ClarkElectric switchhandheld power tools
1,699,870Jan. 22, 1929A.G. Decker, S.D. BlackPortable toolhandheld power tools
1,702,245Feb. 19, 1929S.D. Black, A.G. DeckerElectrical connection for portable electric toolshandheld power tools
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