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All Patents in class 112/221
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
21,250Aug. 24, 1858M.D. Whipple, R.B. FittsImprovement in Sewing Machinessewing machines
22,264Dec. 07, 1858J. FirstImprovement in sewing-machines
29,035Jul. 03, 1860J. FirstImprovement in sewing-machinessewing machines
RE2,746Aug. 20, 1867C. HodgkinsImprovements in sewing machines
626,715Jun. 13, 1899W.P. NortonEngine Lathe Headengine lathes
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