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All Patents in class 266/218
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
7,078XMay 22, 1832T. GreggBlast furnace for smelting iron oreindustrial furnaces
9,275XDec. 02, 1835L.V. BadgerHot air furnace and cupolaindustrial furnaces
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