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All Patents in class 310/50
Patents 1 - 15 of 57
First set of recordsNext set of recordsLast set of records
606,549Jun. 28, 1898E. HolmesPortable electric drillhandheld power tools
750,744Jan. 26, 1904J.F. WilleyPortable drillhandheld power tools
781,062Jan. 31, 1905D.J. Hauss, C.W. MilesElectric or hand-powered breast drillhandheld power tools
809,394Jan. 09, 1906A. PedersenElectrically-operated portable drillhandheld power tools
810,444Jan. 23, 1906C.W. TheilElectric drillhandheld power tools
956,849May 03, 1910W.C. HafemeisterPortable electric drillhandheld power tools
979,143Dec. 20, 1910E.F. FaureControlling device for electrical apparatushandheld power tools
1,004,437Sep. 26, 1911A. KimbleAlternating-current motorelectric motors
1,172,169Feb. 15, 1916F. SchneiderElectrically-operated toolhandheld 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
1,445,294Feb. 13, 1923H.P. CampElectric hand drillhandheld drills
1,475,153Nov. 20, 1923H. AthenasPortable electric combination drillhandheld drills
1,492,095Apr. 29, 1924S.D. Black, A.G. DeckerElectrically-driven toolhandheld power tools
1,497,067Jun. 10, 1924W.P. CaseyElectric handsawcircular saws
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