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Patent applications and USPTO patent grants for Henning; Paul-Georg.The latest application filed is for "filter cigarette".
Patent | Date |
---|---|
Filter cigarette Grant 8,439,046 - Peters , et al. May 14, 2 | 2013-05-14 |
Filter Cigarette App 20090020132 - Peters; Gunther ;   et al. | 2009-01-22 |
Filter cigarette with a tobacco filter App 20020056463 - Henning, Paul-Georg | 2002-05-16 |
Filter cigarette Grant 5,058,608 - Henning , et al. Oc | 1991-10-22 |
Process for the impregnation of fibers of a tobacco smoke filter with dicarboxylic or polycarboxylic acids or anhydrides thereof Grant 5,052,415 - Henning , et al. October 1, 1 | 1991-10-01 |
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