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All Patents in class 91/454
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	198,099	Dec. 11, 1877	H.F. Frisbie	Steam-Engine Cylinder
	518,197	Apr. 10, 1894	A.J. Moxham	Machine for Straightening Rails or Other Metal Bars
	2,778,342	Jan. 22, 1957	H.W. Ringman	Poppet type valve distributing system for a servo-motor

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