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All Patents in class 100/198
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,404,490	Jan. 24, 1922	F.E. Stevenson	Combined Filter and Hydraulic Press	liquid extracting machines
1,755,353	Apr. 22, 1930	L.S. Hubbert	Filter Pot Press	liquid extracting machines

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