Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250218 | Method of providing a marking on a substrate | Dirk Teeuw, Ytsen Wielstra, Jolanda Winkel | 2007-07-31 |
| 6627247 | Method of providing a marking on a substrate | Dirk Teeuw, Ytsen Wielstra, Jolanda Winkel | 2003-09-30 |