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All Patents of Type: furnaces
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,038XJun. 19, 1830J. EslinFurnace for burning stone coal, or charcoalfurnaces
46,107Jan. 31, 1865B. HollyHot Air Furnacefurnaces
866,842Sep. 24, 1907G.S. ComstockHot-water heating systemfurnaces
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