Filter cigarette
PATRON; GREGORIO I, SPRINKEL, JR.; FRANCIS M, NICHOLS; WALTER A, GAUVIN; PAUL N
Year of Publication 18.07.1989
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Year of Publication 18.07.1989
Patent
Filter cigarette
SPRINKEL, JR.; FRANCIS M, HOUCK, JR.; WILLIE G, NICHOLS; WALTER A, NEWSOME; REGINALD W, SPRUILL; DAVID B
Year of Publication 18.08.1987
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Year of Publication 18.08.1987
Patent