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Patents Granted on 1821-__-__
Patents 1 - 15 of 157
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3,280XJan. 03, 1821J.J. GiraudMachine for propelling vessels
3,281XJan. 10, 1821E. ConverseMachine for cutting dyewoodsexcelsior machines
3,282XJan. 19, 1821P. MoodyDouble speeder for roping cottonspinner
3,283XJan. 23, 1821J. BrownMachine for spinning cotton and wool by handspinner
3,284XJan. 24, 1821E.M. PomeroyPaste for razor straps
3,285XJan. 26, 1821E.J. Rosevelt, H. RoseveltCorn shelling machinemiller
3,286XJan. 26, 1821E. Brown, M. ChandlerHarness for weavingweaver
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
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