All Patents in class 405/4


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All Patents in class 405/4
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
6,552X	May 13, 1831	T. Evans, J. Parsons	Hydrostatic suspension dock
9,759X	Jun. 22, 1836	J. Houston, A. Hinman, J. Ingraham	Dry dock	dry docks