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Patents for William Trewin
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
54,589May 08, 1866S.W. Palmer, J.F. PalmerImprovement in gearingindustrial machine gearing
58,986Oct. 23, 1866W. ColwellCorn Shellercorn shellers
61,428Jan. 22, 1867J. HindmanCorn Huskercorn huskers
63,836Apr. 16, 1867H.C. BerryBack rest for latheswood lathe accessories
64,341Apr. 30, 1867S. MarkeeImprovements in Plane-Ironsplane cap irons
64,664May 14, 1867T.G. HallNippersnippers
66,641Jul. 09, 1867J.C. ShackletonLathe Toollathe tools
67,473Aug. 06, 1867L.W. Williams, A.C. WickerImproved Variety Frame Lathepotters lathes
67,953Aug. 20, 1867E.C. ClevelandImproved Centrifugal Machine or Hydro-Extractorsugar refining apparatus
77,434May 05, 1868A.A. Aiken, D.E. AikenSplint Plane with Spring-loaded Throatpiecesplint planes
79,066Jun. 23, 1868J.H. GodwinHammerframing hammers
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