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Patents for Asa Graham
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
7,331XDec. 15, 1832A. GrahamForge backs for fires requiring a blastblacksmith
7,345XDec. 28, 1832A. GrahamBuilding stoves and chimneysstoves
7,440XFeb. 26, 1833A. GrahamForge backs (patented Dec. 15, 1832, reissued)blacksmith
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