Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185843 | Tobacco dryers | Ian Ernest Tatham, Werner Hirsch, Arno Weiss | 2001-02-13 |
| 5649553 | Making tobacco rod | Santosh PILLAI | 1997-07-22 |
| 5592954 | Measuring cigarette pressure drop | Paul D. Case | 1997-01-14 |
| 5523036 | Methods of making tobacco smoke filter elements | John A. Luke | 1996-06-04 |
| 5339837 | Drying process for increasing the filling power of tobacco material | Werner Hirsch, Arno Weiss, Erhard Rittershaus, Gitta Junemann, Caspar H. Koene +3 more | 1994-08-23 |