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Patents Granted on 1830-__-__
Patents 1 - 15 of 721
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NX-5,769Jan. 06, 1830A. HermangeDouble rack and pinion
5,770XJan. 06, 1830E. CadyWeighing boats and cargoes, called the tonnage meterscales and balances
NX-5,770Jan. 06, 1830J. WoodhullSawing
5,771XJan. 08, 1830J. PierpontDoric fire place
NX-5,771Jan. 08, 1830J. AyersBoot treescobbler
5,772XJan. 09, 1830J.C. SmithGrist millgrist mills
5,773XJan. 11, 1830W.E. ArnoldWashing machinewashing machines
5,774XJan. 13, 1830T. BordenImprovement in plowsplows or ploughs
5,775XJan. 13, 1830J.H. ConklinImprovement in cast iron plow-pointsplows or ploughs
NX-5,776Jan. 15, 1830W.H. Folgerunknown
5,776XJan. 15, 1830A.D. ArmstrongPlowplows or ploughs
NX-5,777Jan. 15, 1830P. Tomlinsonunknown
5,777XJan. 15, 1830P. CornellKnife sharpener
5,778XJan. 15, 1830J. Gorgasmachine for shelling clover seedmiller
5,779XJan. 15, 1830E. PerkinsBlister plaister
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