All Patents in class 101/390


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All Patents in class 101/390
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	138,660	May 06, 1873	W. Kelsey	Printing Press
	985,857	Mar. 07, 1911	J.R. Thomas	Clamping apparatus
	2,546,197	Mar. 27, 1951	H.C. Frentzel, G.F. Morrison	Lock device for printers' chases