Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11353405 | Method for treating indicator fields, indicator field and test device comprising such an indicator field | Jurgen Hoffmann, Ralph Husmann, Dominik Lange | 2022-06-07 |
| 11013257 | Marked filter paper for use as test substrate in standardized methods for evaluation of the ignition propensity of cigarettes | Markus Meusel | 2021-05-25 |