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Patents Granted on 1844-03-20
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,494Mar. 20, 1844J.K. MayoManner of applying circular saws for sawing lumber, &c.circular sawmills
3,495Mar. 20, 1844W. WoodMachine for cutting shinglesshingle machines
3,497Mar. 20, 1844L. Whitman, E. Whitman, Jr.Threshing-machinethreshers and thrashers
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