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Patents Granted on 1851-03-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,964Mar. 04, 1851H. WatermanVariable Cut-Off Regulated by the Governorsteam engine governors
7,965Mar. 11, 1851L. Briggs, Jr.Method of Adjusting the Stroke of Trip-Hammerstrip and helve hammers
7,977Mar. 11, 1851T.R. Way, M. WayMachine for turning, boring, &c.carriage maker
7,978Mar. 11, 1851A.A. WilderCopying-press
7,979Mar. 11, 1851G.F. WoolstonTeeth of sawssaw teeth
8,000Mar. 25, 1851N. LamsonScythe
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