loadpatents
Patent applications and USPTO patent grants for Willmund; Rolf.The latest application filed is for "filter cigarette".
Patent | Date |
---|---|
Filter cigarette Grant 6,145,511 - Teufel , et al. November 14, 2 | 2000-11-14 |
Structures formed from cellulose acetate, use thereof for the manufacture of filter tow, use of the filter tow for the manufacture of a tobacco smoke filter element, as well as a filter tow and a tobacco filter element Grant 5,495,860 - Teufel , et al. March 5, 1 | 1996-03-05 |
Filter Tow, method for the production thereof, as well as tobacco smoke filter element and method for its production Grant 5,462,801 - Willmund October 31, 1 | 1995-10-31 |
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