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Patents Granted on 1791-03-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
6XMar. 10, 1791J. StoneDriving piles for bridges, etc.pile drivers
7XMar. 11, 1791S. MullikinMachine for thrashing grain and cornmiller
8XMar. 11, 1791S. MullikinBreaking and Swingling of Hemp, etc.spinner
9XMar. 11, 1791S. MullikinMachine for cutting and polishing stone and marblestone boring and drilling machines
10XMar. 11, 1791S. MullikenMachine for raising a nap on clothscloth napping machines
11XMar. 17, 1791G. ParkinsonMachine for Spinning Hemp and Flax etc.flax and hemp machines
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