Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183911 | Process for the production of stable ozonized oils from unsaturated vegetable oils | Josef Washuttl | 1993-02-02 |
| 5158454 | Dental unit | Ernst Beck, Karl-Heinz Busch | 1992-10-27 |