Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424406 | Optical diffuser plates | Michael Mueller, Volker Benz, Hans Lorenz, Volker Mende, Helmut Haring +1 more | 2002-07-23 |
| 6368098 | Apparatus for the calibration of hollow chamber sheet extruded lines | — | 2002-04-09 |