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Patents for Leslie S. Hubbert
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,755,353Apr. 22, 1930L.S. HubbertFilter Pot Press liquid extracting machines
1,778,803Oct. 21, 1930L.S. HubbertHydraulic Plastic Press hydraulic presses
1,867,972Jul. 19, 1932C.J. Zube, L.S. HubbertPress for Manufacturing Molded Articles hydraulic presses
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