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All Patents in class 112/194
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
4,750Sep. 10, 1846E. Howe, Jr.Sewing Machine
28,371May 22, 1860S. HuffmanImprovement in Sewing-Machines
60,418Dec. 11, 1866F.A. PrattImprovement in sewing-machines
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