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Patents Granted on 1817-05-??
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,784XMay 02, 1817I.(. ScottMetallic single valve pump boxpumps
2,785XMay 03, 1817J.M. DearbornPumpspumps
2,786XMay 03, 1817J. WebbRotary dry docks
2,787XMay 06, 1817W.P. TiltonPumppumps
2,788XMay 09, 1817J. BakerPumppumps
2,789XMay 12, 1817T. CruttendonSpinning wheelspinner
2,790XMay 16, 1817G. JenkinsMachine for brads and sprigs
2,791XMay 16, 1817J. BeckwithTeazling cloth
2,792XMay 17, 1817A. BlanchardTrusses for ruptures
GB-181,604,127May 22, 1817G. ManwaringImprovements in steam enginessteam engines
2,793XMay 23, 1817E. LemanHorizontal circular valve pump spearpumps
2,794XMay 28, 1817S. BriggsSteam as propelling power to mills
2,795XMay 29, 1817D. PeacockPloughplows
2,796XMay 29, 1817B. KingMaking holes in iron railing and horizontal plates and bars
2,797XMay 31, 1817S. HopkinsPreparation of the flour of mustard
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