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All Patents in class 114/49
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	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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