Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944316 | Process for treating tobacco and similar organic materials | Klaus-Dieter Wenzel | 1990-07-31 |
| 4821747 | Process for treating tobacco and similar organic materials | Klaus-Dieter Wenzel | 1989-04-18 |