All Patents in class 91/168


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All Patents in class 91/168
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,499,235	Feb. 28, 1950	L.D. Tyson	Hydraulic System for Plural Motor Operation
	3,139,005	Jun. 30, 1964	W.I. Evans	Velocity Error Compensating Device