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Patents Granted on 1831-11-08
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,829XNov. 08, 1831O. AllenRotary or pump steam enginerotary steam engines
6,830XNov. 08, 1831M. MasonIron borings rendered available in furnacesindustrial furnaces
6,831XNov. 08, 1831D.L. TuthillFurnace for heating hatter's ironsindustrial furnaces
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