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Patents Granted on 1812-05-??
Patents 1 - 15 of 26
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NumberDatePatenteeTitleType
1,721XMay 01, 1812R. CanfieldSawing machineother wood sawing machines
1,722XMay 04, 1812S.K. GoreTravelling cross cut saw millsawmills
1,723XMay 05, 1812J. Smith, C. LutherTanning
1,724XMay 06, 1812E. Town, S. BaldwinLinen spinnerspinner
1,725XMay 06, 1812E.M. CanvissPressing and rendering transparent horse hoofs and other corneus substances for making combs
1,726XMay 12, 1812P. GeigerBreaking plaster of parispaint grinding mills
1,727XMay 12, 1812D. DodSteam enginesteam engines
1,728XMay 12, 1812J. GrannisHorse mills using weights
1,729XMay 12, 1812W. StantonWashing machinewashing machines
1,730XMay 12, 1812D. SperryBoring hubs and felloes of wheelsdrilling and boring
1,731XMay 12, 1812D. PettiboneWarming Rooms by Rarified Air Applicable to Ovens, Hot or Green Houses, Rooms, Etc.furnaces
1,732XMay 13, 1812W. JonesPlugged Faucetplumber
1,733XMay 14, 1812G.W. RobinsonMoulds for casting metal buttonsbutton making machinery
1,734XMay 15, 1812E. Hazard, J. WhiteMachine for cutting screwsscrewcutting lathes
1,735XMay 15, 1812R. BaileyFair dealer of the chartae lusoriae
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