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All Patents in class 114/49
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
9,804X	Jun. 30, 1836	T. Cook	Machine for raising vessels
6,469	May 22, 1849	A. Lincoln	Buoying Vessels over Shoals
17,892	Jul. 28, 1857	J. Ponton	Mode of Raising Sunken Vessels

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