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All Patents in class 241/257.1
Patents 1 - 15 of 20
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
1,726XMay 12, 1812P. GeigerBreaking plaster of parispaint grinding mills
4,504XJul. 31, 1826J. WebsterMachine for grinding shelled cornmiller
4,748XMay 14, 1827A. HolcombPaint millpaint grinding mills
5,145XJun. 19, 1828J. CrailGrist millgrist mills
5,334XJan. 14, 1829D.D. DemarestMachine for grinding applesapple graters
5,381XMar. 03, 1829S. CookTrumpet mouthed mill for grinding paintspaint grinding mills
5,696XOct. 31, 1829J. ReederBark millbark processing machines
6,966XMar. 15, 1832O.C. HarrisMachine for grinding indigo paints, etc.miller
7,103XJun. 04, 1832A. BaconGrist millmiller
7,814XNov. 19, 1833R. KendallGrist millgrist mills
8,700XMar. 18, 1835F. SmithMill for grinding grain with small stonesgrist mills
8,771XApr. 14, 1835P.M. WrightGrist family millgrist mills
7,862Dec. 24, 1850J.N. WalkerMill for grindinggrist mills
182,891Oct. 03, 1876J. ChaseImprovement in wood-pulp engineswood grinding machines
220,626Oct. 14, 1879W.D. LeavittImprovement in machines for manufacturing flourgrist mills
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