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Patents Granted on 1830-__-__
Patents 1 - 15 of 721
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NumberDatePatenteeTitleType
NX-5,769Jan. 06, 1830A. HermangeDouble rack and pinion
NX-5,770Jan. 06, 1830J. WoodhullSawing
5,770XJan. 06, 1830E. CadyWeighing boats and cargoes, called the tonnage meterscales and balances
NX-5,771Jan. 08, 1830J. AyersBoot treescobbler
5,771XJan. 08, 1830J. PierpontDoric fire place
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
5,776XJan. 15, 1830A.D. ArmstrongPlowplows or ploughs
NX-5,776Jan. 15, 1830W.H. Folgerunknown
5,777XJan. 15, 1830P. CornellKnife sharpener
NX-5,777Jan. 15, 1830P. Tomlinsonunknown
5,778XJan. 15, 1830J. Gorgasmachine for shelling clover seedmiller
5,779XJan. 15, 1830E. PerkinsBlister plaister
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