Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834653 | Apparatus for expanding tobacco | Frank Pluckhahn, Arno Weiss | 2004-12-28 |
| 6779527 | Device for conditioning comminuted tobacco material | Uwe Werner Ehling, Frank Pluckhahn, Arno Weiss | 2004-08-24 |