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