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Patents for Henry Howson
Patents 31 - 45 of 45
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
397,701Feb. 12, 1889W.P. DallettDrilling-machinedrill presses
410,487Sep. 03, 1889H. BroomellTurbine Water Wheelturbine water wheels
430,082Jun. 10, 1890F.B. MilesDrilling-machinedrill presses
437,459Sep. 30, 1890F. SchoffPortable reaming and tapping toolportable metal drilling machines
439,567Oct. 28, 1890F. SchoffCorner Drill Pressdrill presses
440,423Nov. 11, 1890C. DisstonPlasterer's Trowelplasterer
441,509Nov. 25, 1890F. SchoffDrill-supportportable metal drilling machines
453,459Jun. 02, 1891J.G. BakerVisebench vises
468,519Feb. 09, 1892R.B. Haines, Jr.Micrometer Gagemicrometers
482,572Sep. 13, 1892T.S. DisstonSaw Filing Machinefiling machines
493,444Mar. 14, 1893L.O. OrtonMortising-bitdrill bits
495,931Apr. 18, 1893T.S. DisstonHandsawcompass saws
530,793Dec. 11, 1894M. OdgersMetal Sawsaw teeth
968,372Aug. 23, 1910G.O. LeopoldBall-bearingtool making machines
982,510Jan. 24, 1911G.O. LeopoldRatchet mechanismeggbeater drills
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