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Patents Granted on 1878-04-??
Patents 1 - 15 of 66
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NumberDatePatenteeTitleType
RE8,150Apr. 02, 1878W. LambImprovement in log-carriages for saw-millssawmill carriages
201,862Apr. 02, 1878H.G. AshtonImprovement in Exhaust Mechanisms for Locomotives and Other Steam-Enginessteam safety valves
201,875Apr. 02, 1878J.C. EsteyUtilizing Power of Water Pipesturbine water wheels
201,908Apr. 02, 1878A.E. BrockettBung Borertapered reamers
201,920Apr. 02, 1878W.T. GillilandCoffee Roastercoffee roasters
201,932Apr. 02, 1878J. MayGauge lathewood lathes
201,938Apr. 02, 1878W.E. NickersonImprovement in cutters for reducing barkbark processing machines
201,948Apr. 02, 1878M. RiceCutting & boring lathe attachmentwood drilling and boring
202,061Apr. 02, 1878H.L. ShalerImprovement in Augersauger bits
202,073Apr. 02, 1878C.W. ThompsonImprovement in machines for making barrel-hoopshoop making machines
CA-8,625Apr. 08, 1878I. FréchetteImprovement in shingle millshingle machines
CA-8,630Apr. 08, 1878E.J. Worcester, V.F. PrenticeMachine for grinding cutters of mowers and reaperssharpening machines
RE8,160Apr. 09, 1878D.C. PrescottImprovement in direct-acting steam-feed-works for circular-saw millscircular sawmills
RE8,162Apr. 09, 1878J. CainImprovement in head-blocks for saw-millssawmill headblocks
RE8,164Apr. 09, 1878G. RogersTraction Enginessteam traction engines
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