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All Patents of Type: handheld power tools
Patents 1 - 15 of 75
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NumberDatePatenteeTitleType
285,484Sep. 25, 1883M.C. HenleyScrew-driverscrewdriver mechanisms
606,549Jun. 28, 1898E. HolmesPortable electric drillhandheld power tools
712,537Nov. 04, 1902C.S. HiseyElectric grinding devicehandheld power tools
750,744Jan. 26, 1904J.F. WilleyPortable drillhandheld power tools
1,099,392Jun. 09, 1914R.A. NorlingPneumatic-turbine drillpneumatic tools
1,124,393Jan. 12, 1915G.H. CoatesHammer powered by flexible shafthandheld 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
1,262,601Apr. 09, 1918E.E. Thomas, C.F. RoyalHand gain-cutting toolhandheld power tools
1,372,045Mar. 22, 1921R.G. SedgewickValve grinderhandheld power tools
CA-239,417Apr. 15, 1924C.S. WeyandtSystem for operating electric reciprocating motorsreciprocating or vibrating electric motors
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, 1925A.G. Decker, S.D. BlackReversing means for electric toolshandheld power tools
CA-264,472Sep. 21, 1926C.S. WeyandtReciprocating motorreciprocating or vibrating electric motors
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