Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424406 | Optical diffuser plates | Michael Mueller, Michael Meier-Kaiser, Hans Lorenz, Volker Mende, Helmut Haring +1 more | 2002-07-23 |
| 6420646 | Photovoltaic element | Michael Blumenschein, Markus Krall | 2002-07-16 |