All Patents in class 91/437


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All Patents in class 91/437
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	138,420	Apr. 29, 1873	O. Marland	Marine Steam-Engine Governors
	2,091,425	Aug. 31, 1937	W.H. Wood	Hydraulically operated machine tool