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All Patents of Type: furnaces
Patents 1 - 4 of 4
First set of recordsLast set of records
6,038XJun. 19, 1830J. EslinFurnace for burning stone coal, or charcoalfurnaces
46,107Jan. 31, 1865B. HollyHot Air Furnacefurnaces
227,906May 25, 1880C. LeveyFurnaceindustrial furnaces
866,842Sep. 24, 1907G.S. ComstockHot-water heating systemfurnaces
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