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Patents Granted on 1878-05-07
Patents 1 - 15 of 20
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NumberDatePatenteeTitleType
RE8,211May 07, 1878H.G. AshtonImprovement in Safety-Valve Attachment to Utilize Escape-Steamsteam safety valves
RE8,215May 07, 1878N. SpoffordImprovement in braces for bitsbrace chucks
RE8,216May 07, 1878P.C. WortmanImprovement in Feed-Water Heatersfeedwater apparatus
203,253May 07, 1878J. EnrightSteam Boiler Furnacestationary boilers
203,261May 07, 1878L. GlynnPipe-Wrenchpipe wrenches
203,262May 07, 1878G.S. GoodspeedWrenchratchet wrenches
203,272May 07, 1878H.W. HillHog-Ringing Implementhog ring
203,320May 07, 1878G.E. Burt, E.A. HildrethImprovement in horse-powersanimal powered apparatus
203,384May 07, 1878G.N. StearnsImprovement in hollow augershollow bits
203,402May 07, 1878C.L. BellamySpinning-Top Like Hand Drillhand drills
203,429May 07, 1878J.B. DoughertyImprovement in machines for cutting hoops from the loghoop making machines
203,436May 07, 1878J. EvansLathe Stone Chuckstoneworking lathes
203,467May 07, 1878W. LambImprovement in log-carriage gears for saw-millssawmill carriages
203,469May 07, 1878D. LaneImprovement in saw-mill dogssawmill dogs
203,470May 07, 1878F. Larson, F.D. LivermoreImprovement in sleigh-kneessleighs
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