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All Patents in class 408/117
Patents 1 - 15 of 22
First set of recordsNext set of recordsLast set of records
142,511Sep. 02, 1873S.W. Putnam, Jr.Improvement in machines for tapping nutsnut or bolt making machines
176,694Apr. 25, 1876E. SaundersImprovement in Screw-Cutting Die-Stocksplumber
187,600Feb. 20, 1877G. CollinsCombination Countersink, Screwdriver & Gimlet Bitcountersinks
311,647Feb. 03, 1885E.F. DaltonImprovements in Tools for Shortening and Cutting Screw-Threads upon Axle-Spindles
336,598Feb. 23, 1886O. SmithTurret-head drill pressdrill presses
343,058Jun. 01, 1886R.D. McGeeAxle Cuttercombination tools
347,969Aug. 24, 1886D. SlateDrilling-machinedrill presses
500,646Jul. 04, 1893L.E. Whiton, D.E. WhitonMultiple drilling-machinemultiple spindle drill presses
513,088Jan. 23, 1894H.W. CranePortable multi-drill mortiser
560,171May 12, 1896A.J. OehringMultiple drillmultiple spindle drill presses
658,782Oct. 02, 1900W.T. KelloggAuger-cutterdrill bits
694,510Mar. 04, 1902S.F. WiseDouble-spindle drawer-pull boring-machinedrilling and boring
749,821Jan. 19, 1904T.C. HansenDrilling-machinemusic instrument maker
1,058,045Apr. 08, 1913W.R. FoxMultiple drillmultiple spindle drill presses
1,210,450Jan. 02, 1917W.R. FoxAttachment for multiple drillsmultiple spindle drill presses
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