All Patents in class 209/357


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All Patents in class 209/357
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
175,888	Apr. 11, 1876	H.L. Whitman	Improvement in corn-shellers	corn shellers
2,161,989	Jun. 13, 1939	D.M. Waterous	Screening paper pulp	paper making machines