Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602340 | Transparent medium with angular-selective transmitting or reflecting properties | Christina Schank, Gerhard Pfaff, Alexandra BROWNFIELD, Wolfgang Hechler | 2003-08-05 |
| 6551397 | Pigment preparation | Wolfgang Hechler | 2003-04-22 |