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All Patents of Type: steel maker
Patents 1 - 15 of 36
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NumberDatePatenteeTitleType
173XJun. 26, 1797B. SeymourRolling Ironsteel maker
238XFeb. 26, 1799W. HancockCasting ironsteel maker
374XMay 12, 1802L. Du PreScientific steelyardssteel maker
688XMay 19, 1806J. EdwardsSteelyardssteel maker
752XApr. 23, 1807B. LangdonSteelyardsteel maker
802XNov. 12, 1807J. ButlandMode of Manufacturing Ironsteel maker
813XDec. 24, 1807J.H. PiersonHoop and sheet ironsteel maker
1,633XJan. 06, 1812E. LeonardConverting pig iron into steelsteel maker
2,041XJan. 06, 1814Z. PhinneySteelyards and scalessteel maker
2,412XDec. 27, 1815S. HillsSteelyardssteel maker
2,902XJan. 28, 1818E. JenksPartially converting iron into steelsteel maker
3,080XFeb. 27, 1819J. BartholomewImprovement in the steelyardsteel maker
3,430XDec. 31, 1821H. WarralCupola furnaceindustrial furnaces
3,603XOct. 30, 1822H.G. SpaffordArt of making cast and wrought steelsteel maker
3,604XOct. 30, 1822H.G. SpaffordMaking iron and steelsteel maker
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