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Patents Granted on 1807-12-__
Patents 1 - 6 of 6
First set of recordsLast set of records
809XDec. 01, 1807S. Williard, Jr.Water wheelwater wheels
810XDec. 13, 1807W. ThorntonStillssteam stills
811XDec. 15, 1807S. RogersMachine for heading nailsnail making machines
812XDec. 15, 1807J. ScriptureChurning machinechurns
813XDec. 24, 1807J.H. PiersonHoop and sheet ironsteel maker
814XDec. 24, 1807I. PiersonRolling and slitting mills
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