Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8339607 | Ozone concentration sensor | Johannes Seiwert, Joachim Löhr, Ulrich Brammer, Jens Fittkau | 2012-12-25 |
| 8085401 | Ozone concentration sensor | Johannes Seiwert, Joachim Löhr, Ulrich Brammer, Jens Fittkau | 2011-12-27 |
| 7502114 | Ozone concentration sensor | Johannes Seiwert, Joachim Löhr, Ulrich Brammer, Jens Fittkau | 2009-03-10 |