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All Patents in class 474/123
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	278,064	May 22, 1883	J. Walrath	Saw-mill
	448,583	Mar. 17, 1891	P. Medart	Belt-tightening mechanism
	452,730	May 19, 1891	A.C. Pessano	Band-pulley
	2,463,287	Mar. 01, 1949	E.C. Krueger	Grinding or polishing machine
	3,312,116	Apr. 04, 1967	G.R. Blevins	Guiding pulley means for belt sander

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