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Patents Granted on 1870-02-22
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
RE3,850Feb. 22, 1870W.P. LetchworthMachine for bending woodwood bending machines
RE3,852Feb. 22, 1870L.E. Smith, L. JordanImprovement in Wrencheswrench handle components
100,004Feb. 22, 1870J.M. BeuglerImprovement in hanging crank-shaftssteam engines
100,064Feb. 22, 1870F.A. PrattImprovement in friction-clutchesindustrial machine clutches
100,066Feb. 22, 1870W.B. PrestonImprovement in steelyardsscales and balances
100,072Feb. 22, 1870W. RitchieImprovement in Instruments for Drawing Geometrical Linescompasses
100,089Feb. 22, 1870G. WalkerImprovement in Saw-Grinding Machinetool making machines
100,118Feb. 22, 1870M.W. ClarkImproved blind-slat
100,132Feb. 22, 1870H.H. EvartsImprovement in the construction of chairschair maker
100,133Feb. 22, 1870H.H. EvartsImproved bedstead
100,164Feb. 22, 1870J.N. LymanImprovement in clamp for stay-logclamps
100,211Feb. 22, 1870B.F. SturtevantHeating and Ventilating Apparatusfurnaces
100,212Feb. 22, 1870B.F. SturtevantGrain Dryergrain dryers
100,235Feb. 22, 1870B.F. SturtevantGrain Dryergrain dryers
100,236Feb. 22, 1870B.F. SturtevantPressure Blower Wheelblowers
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