All Patents in class 91/332


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All Patents in class 91/332
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	114,010	Apr. 25, 1871	B. Holly	Variable Cut Off
	451,720	May 05, 1891	H. Bolthoff	Steam-engine
	2,230,263	Feb. 04, 1941	E.C. Read	Governor
	2,258,688	Oct. 14, 1941	E.C. Read	Governor
	2,604,071	Jul. 22, 1952	P.A. Rickrode	Drop hammer of the gravity type