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All Patents in class 310/68A
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
605,850Jun. 21, 1898F.E. BrinerElectric motorinduction motors
910,798Jan. 26, 1909W.O. DuntleyElectric hoisthoists, winches, come-alongs
979,143Dec. 20, 1910E.F. FaureControlling device for electrical apparatushandheld power tools
1,026,904May 21, 1912J. BurkeElectric motorblowers
1,084,590Jan. 13, 1914H.L. ZabriskieElectric motor
1,245,860Nov. 06, 1917A.G. Decker, S.D. BlackElectrically-driven toolhandheld power tools
1,411,712Apr. 04, 1922F. DiehlTime-controlled motor
1,492,095Apr. 29, 1924S.D. Black, A.G. DeckerElectrically-driven toolhandheld power tools
1,502,169Jul. 22, 1924C.B. BennettElectric toolhandheld power drills
1,529,910Mar. 17, 1925R.A. NorlingGrip-handle switch for electric drillshandheld power drills
1,546,474Jul. 21, 1925E.L. ConnellElectric switch and handlehandheld power drills
1,577,976Mar. 23, 1926J.S. Knowlson, R.S. McKeagePower-driven tool-operating devicehandheld power drills
1,587,566Jun. 08, 1926H.B. TuthillElectric-motor unitwood lathes
1,596,013Aug. 17, 1926J.J. GebhardtControl mechanism for electric toolselectric switches
1,679,185Jul. 31, 1928B.W. SweetScrew driver
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