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Patents Granted on 1821-02-??
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
3,287XFeb. 01, 1821J. WoodShifting share for ploughingplows
3,288XFeb. 01, 1821R. Graves (Greaves)Machine for laying cordagerope maker
3,289XFeb. 01, 1821G.J. NewberryMode of applying dry metallic and colored powders to type printing
3,290XFeb. 02, 1821D. Jarvis (Jarves)Opening the mould of glass blowersglassmaker
3,291XFeb. 05, 1821J.J. GiraudHorizontal pedal water wheel and perpendicular pivotwater wheels
3,292XFeb. 09, 1821B.S. DoxeyMachinery for gearing and ungearing the paddle wheels for propelling all kinds of vesselsnautical propulsion apparatus
3,293XFeb. 17, 1821C. WhiteWater proof cement
3,294XFeb. 17, 1821P. DavisVibrating steam enginesteam engines
3,295XFeb. 19, 1821P. MoodyCotton roping (double speeder)spinner
3,296XFeb. 19, 1821P. MoodyCotton spinning framesspinner
3,297XFeb. 19, 1821P. MoodyMachine for roping or spinning cottonspinner
3,298XFeb. 20, 1821W. GouldFoot gin for cleaning cottoncotton gins
3,299XFeb. 20, 1821T. BlakeLever presslever presses
3,300XFeb. 20, 1821Z. Carey (Cary)Machine for shearing clothsplitting and shearing machinery
3,301XFeb. 21, 1821I. DeavesMaking mantel pieces of cast iron or other soft metal
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