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Patents for J. W. Coombs
Patents 76 - 90 of 90
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
68,061Aug. 27, 1867A.M. FreelandImprovement in belt-shifting devicemetal planers
73,069Jan. 07, 1868J.F. AllenImprovement in valve-gearsteam engine valve gear
75,182Mar. 03, 1868J. MixImprovement in Manufacturing Gimletsmaking drills and augers
76,147Mar. 31, 1868A. BartholfImproved saw-gumming or toothing machinetool making machines
76,519Apr. 07, 1868A.S. PetrieImprovement inWrenchesnut wrenches
76,791Apr. 14, 1868R.N. MeriamInside moldermolders
79,032Jun. 16, 1868D.H. TierneyBevel & Tapering Gaugespecial purpose gauges
86,534Feb. 02, 1869C. HallImprovement in Screw-Wrenchquick adjust wrenches
90,311May 18, 1869J. RussellCorn Huskercorn huskers
91,625Jun. 22, 1869R. HendersonPlaner Chuckmetal planer chucks
94,107Aug. 24, 1869M. HastingsPipe Wrenchpipe tongs
94,920Sep. 14, 1869N.C. SmithDie for Spring Caliperscalipers
104,620Jun. 21, 1870E.H. MeigsImprovement in Molders' Hammerspatternmaker
118,619Aug. 29, 1871J.W. MahlonImprovement in Wrencheswrenches
120,266Oct. 24, 1871J.J. GrantImprovement in Dies for Cutting Screw Threadstap wrenches and die stocks
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