Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821691 | Zero-order diffractive filter | Harald Walter, Alexander Stuck, Robert Beer, Marc Pauchard | 2010-10-26 |
| 7160579 | Method and device for coating a moving web | Maurice Pasquier | 2007-01-09 |