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Patents Granted on 1821-04-??
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,321XApr. 03, 1821A. Rucker, N.C. DawsonImprovement in boats for riversboats and ships
3,322XApr. 05, 1821J. MorganWarping and weaving cotton goodsweaver
3,323XApr. 07, 1821A.O. Stansbury (Stranbury)Printing pressprinting presses
NX-182,104,091Apr. 09, 1821A. SwartChurnchurns
3,324XApr. 14, 1821B.H. Latrobe, E. Blanc (Blane), Jr.Machine for sifting lime, etc.
3,325XApr. 16, 1821D. DonoghoeWinnowing or fanning mill for grainwinnowing machines
3,326XApr. 18, 1821T. OxleyLand clearing machine
3,327XApr. 19, 1821J.S. StuartLinen spinning wheel headwheel heads
3,328XApr. 23, 1821E.A. Stevens, R.L. StevensCast iron ploughsplows
3,329XApr. 23, 1821E.A. Stevens, R.L. StevensHardening part of the edge of the share of ploughsplows
3,330XApr. 25, 1821P. DixonRiding saddlessaddles
3,331XApr. 27, 1821R. BlaikieDistilling spirits
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