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Patents Granted on 1817-__-__
Patents 1 - 15 of 173
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NumberDatePatenteeTitleType
2,716XJan. 07, 1817T. PowerImprovement on the kiln for burning lime
2,717XJan. 07, 1817I. NorthropMachine for cutting and heading nails in one operationnail making machines
2,718XJan. 07, 1817M. RogersMode of constructing projecting docks
2,719XJan. 10, 1817W. PumellHorizontal and perpendicular water wheelwater wheels
2,720XJan. 16, 1817J. BakerElliptic valve pumppumps
2,721XJan. 17, 1817I. JenningsCotton gincotton gins
2,722XJan. 17, 1817I. JenningsRotary steam enginesrotary steam engines
2,723XJan. 18, 1817J. Ruffner, D. RuffnerMode of obtaining salt water
2,724XJan. 18, 1817E. HotchkissStraw cutting machinehay or straw cutters
2,725XJan. 22, 1817S. DavisFloating machine for removing mud
2,726XJan. 22, 1817H. NoldMachine for raising weights
2,727XJan. 22, 1817H. RicketsonBoilerstationary boilers
2,728XJan. 22, 1817W. HartMode of applying draught horses to machinery
2,729XJan. 24, 1817L.J. Bodvil, WellsCompressing and imprinting colors
2,730XJan. 25, 1817L. ShepherdImprovement on fire places
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