Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053398 | Printable ink mixture, method for producing a colored overprint, and use of the ink mixture | Ewald Poesl, Matthias Schmidt | 2021-07-06 |
| 7259509 | Phosphor coating composition for a mercury low-pressure discharge lamp for illuminating plants | Dieter Meiss, Martin Zachau | 2007-08-21 |
| 6794810 | Phosphor composition for low-pressure gas discharge lamps | Wolfgang Gruber, Martin Zachau | 2004-09-21 |