All Patents in class 209/247


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All Patents in class 209/247
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	717	Apr. 28, 1838	J. Secor	Sawmill for sawing timber
	90,936	Jun. 08, 1869	E.P. Dickey	Improvement in fanning-mills
	2,256,731	Sep. 23, 1941	G.C. Winther	Means for forming and segregating rock chips from aggregates