Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439046 | Filter cigarette | Gunther Peters, Thomas Pienemann, Henning Seidel | 2013-05-14 |
| 5058608 | Filter cigarette | Werner Schneider | 1991-10-22 |
| 5052415 | Process for the impregnation of fibers of a tobacco smoke filter with dicarboxylic or polycarboxylic acids or anhydrides thereof | Gerald Schmekel | 1991-10-01 |
| 4771794 | Method and apparatus for controlling at least two physical properties, decisive for the quality of the finished product, of a rod made of smokable material | Horst Gaisser, Heinz-Werner Masurat, Meinhard Meyer, Manfred Kuhne, Friedrich Walther | 1988-09-20 |
| 4621651 | Filter tip for a smoking product | Horst Borowski, Knut Moller, Wolfgang Wiethaup, Gunther Rodemeyer, Erhard Kohn | 1986-11-11 |