Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9700645 | Two-phase exhaustion indicator for fragrance release systems | Dirk Mueller, Joern Wiedemann | 2017-07-11 |
| 9452233 | Fragrance release system with visual endpoint indication | Dirk Müller, Jörn Wiedemann | 2016-09-27 |