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All Patents of Type: grain scourers
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
310,476	Jan. 06, 1885	A.L. Teetor	Grain Scourer	grain scourers
393,411	Nov. 27, 1888	P. Sheridan	Grain Separator	corn and grain separators

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