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Patents Granted on 1797-??-??
Patents 1 - 15 of 53
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NumberDatePatenteeTitleType
146XJan. 06, 1797J. NazroImprovement in making soapmanufacturing processes
147XJan. 06, 1797J. NazroExtracting Alkali from Marine Salt and Kelpmaking alkali
148XJan. 21, 1797C.W. PealeImprovement in bridges
149XFeb. 16, 1797J. SpenceCutting and Heading Nailsnail making machines
150XFeb. 16, 1797J.F. ManginCutting and Polsihing Marblestonemason
151XFeb. 20, 1797J. McCallmontStovesstoves
152XFeb. 20, 1797S. MullikinScouring or Skinning Ricemiller
153XFeb. 24, 1797R. StuartImprovement in Chimneyschimneys
154XFeb. 24, 1797J. FowlerImprovement in bridges
155XFeb. 24, 1797J. KerseyHeading and Cutting Nailsnail making machines
156XFeb. 24, 1797L. AllwineImprovement in mixing colours and paintingmanufacturing processes
157XMar. 11, 1797T. HirshStovesstoves
158XMar. 11, 1797W. BookerMachine for Thrashing Wheat, etc.miller
159XMar. 18, 1797S. BettsTide Water Wheeltide mills
160XMar. 28, 1797N. BriggsImprovement in washing clotheswashing machines
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