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Patents Granted on 1812-08-??
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
1,785XAug. 03, 1812F. RotchConstructing boats and vesselsboats and ships
GB-181,203,590Aug. 03, 1812H. OsbornClosing skelps preparatory to making gun-barrelsgunsmith
1,786XAug. 06, 1812B. LiesCog and pendulum pumppumps
1,787XAug. 06, 1812I. HathawayFire enginesfire engines
1,788XAug. 06, 1812J. Perkins, A. PollockFire enginesfire engines
1,789XAug. 08, 1812J. BrownRoping and spinning cotton and woolspinner
1,790XAug. 21, 1812A. AndersonPropelling boats and vessels, etc.nautical propulsion apparatus
1,791XAug. 21, 1812A. AndersonSteam enginesteam engines
1,792XAug. 21, 1812J. TrumanSteam washerwashing machines
1,793XAug. 21, 1812J. PalmerWashing machinewashing machines
1,794XAug. 21, 1812R. MaibenApparatus for making oil of vitriol
1,795XAug. 25, 1812M.B. ParmeleeSteam machine to keep a wheel in motion
1,796XAug. 27, 1812J. PhelpsLoomslooms
1,797XAug. 27, 1812H. DunlapBodies of carriages
1,798XAug. 28, 1812E. TwomblyIron bound boots, bootees, etc.
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