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All Patents in class 548/313.7
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,950,211Aug. 23, 1960P.F. Thompson, C.F. HuberHeterocyclic Asphalt Additivesmanufacturing processes
3,037,029May 29, 1962P.F. Thompson, C.F. HuberImidazoline Compoundsmanufacturing processes
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