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Patents Granted on 1850-05-??
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
RE168May 07, 1850B. HollyImprovement in Pumpspumps
RE169May 07, 1850S. MerrickImprovement in feeders for screw-machinesscrew machines
7,350May 07, 1850C. RichardsonSteam Engine Valve Gearsteam engine valve gear
7,353May 07, 1850T.C. TheakerImprovement in Oscillating Valves of Steam Engines steam engine valves
7,355May 14, 1850O.P. AllenMachine for slitting clothes-pinsclothespin machines
7,357May 14, 1850L. BissellImprovement in Connecting-Rods of Steam-Engines and Other Machinery steam engine crank rods
7,362May 14, 1850N. ColverRevolving-Jaw Wrenchnut wrenches
7,367May 14, 1850H. PattersonSplint-machinematch making machines
RE170May 21, 1850C. EmmonsImprovement in planing machineswood planers
7,380May 21, 1850E. JenneyMachinery for sawing stavesbarrel making machines
7,381May 21, 1850S. LewisImprovement in machines for sawing wooddrag saws
7,388May 21, 1850S. StevensMachine for Grinding Spiral Knivestool grinders
7,389May 21, 1850T.C. TheakerApparatus for setting logs in sawmillssawmill accessories
7,390May 21, 1850J.D. WhiteLathe for Turningengine lathes
XC-285May 25, 1850A. FleckNew and improved plough or subsoil grubberplows
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