All Patents in class 209/393


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All Patents in class 209/393
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	140,886	Jul. 15, 1873	G. Claflin	Potato Screens
	166,743	Aug. 17, 1875	H. Bolthoff	Improvement in wet and dry ore crushers
	1,155,019	Sep. 28, 1915	H. Tscherning	Molding-machine
	1,175,019	Mar. 14, 1916	J.K. Sharpe, Jr.	Grain-Saving Device for Threshing-Machines