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All Patents in class 451/415
Patents 1 - 13 of 13
First set of recordsLast set of records
79,818Jul. 14, 1868S. FarrenburgImprovement in Tool-Sharpenerssharpening machines
325,373Sep. 01, 1885E.J. WorcesterDrill-grinding attachment for drilling-machineswoodworking post drills
712,537Nov. 04, 1902C.S. HiseyElectric grinding devicehandheld power tools
828,425Aug. 14, 1906H.U. RuedyTool for notching bung-holescooper
1,252,634Jan. 08, 1918G.J. WalkerGagesurface gauges
1,658,185Feb. 07, 1928R.L. CarterTool-grinding mechanismwoodworking machine sharpening mechanisms
1,794,149Feb. 24, 1931J.G. CollinsStand and control means for electric portable drills
1,902,629Mar. 21, 1933W.F. EvansDrum Truing Machine
2,431,230Nov. 18, 1947W.S. CooperPortable Planermetal planers
2,538,044Jan. 16, 1951E.C. RuehleBelt sander attachment for power toolsbelt sanders
2,674,070Apr. 06, 1954T.B. Thomas, V.L. BrownBelt sanderbelt sanders
2,703,505Mar. 08, 1955J.A. SennApparatus for Aligning Machine Elementsmilling machine accessories
5,525,099Jun. 11, 1996L.C. Brickner, R.L. Wilson, C.J. BairdApparatus for linearly displacing a rotatable spindle
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