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Patents for J. W. Coombs
Patents 31 - 45 of 90
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NumberDatePatenteeTitleType
38,141Apr. 14, 1863J.A. AyresImprovement in Screwsscrews
38,922Jun. 16, 1863J.A. TalpeyCentering device for lathesmetal lathe accessories and attachments
39,404Aug. 04, 1863H.H. JenningsSurface Gagesurface gauges
39,465Aug. 11, 1863D. Cheney, S.S. CheneyLathe for Turning Locomotive Crank Pinsmetal lathes
39,755Sep. 01, 1863A. SchwitterImprovement in engine-turning machinesornamental lathes
40,098Sep. 29, 1863T. FosterHay Forkhay or straw forks
40,483Nov. 03, 1863S.C. HowesMolding Plane with a Curved Throatplane cutter adjustments
40,674Nov. 24, 1863C. ChinnockImprovement in Corkscrewspocket and protected cork extractors
41,262Jan. 12, 1864J. OlmsteadUpsetting Tirestire upsetters
41,571Feb. 09, 1864A.F. CushmanImprovement in Box Planes or Scrapersbox scrapers
41,797Mar. 01, 1864J.W. Van DeventerSlitting Gagemarking gauges
42,353Apr. 19, 1864H.C. CrowellImprovement in shingle-machinesshingle machines
42,691May 10, 1864A. SchwitterImprovement in rose-enginesornamental lathes
44,225Sep. 13, 1864H.S. ShepardsonImprovement in Spirit-Levelslevels
45,894Jan. 10, 1865F.O. WashburnImprovement in Caliperscalipers
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