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Patents Granted on 1815-09-21
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,383XSep. 21, 1815J.S. Donlevy (Donlery)Loxodromick pulley or measuring power to ascertain a ship's way, and for other purposes
2,384XSep. 21, 1815W. LiddleBiscuit making machinecracker and biscuit machines
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