Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250218 | Method of providing a marking on a substrate | Jan Auke Hovius, Dirk Teeuw, Ytsen Wielstra | 2007-07-31 |
| 6828032 | Insulating layer for a heating element | Ytsen Wielstra, Rene Henk Van Der Woude | 2004-12-07 |
| 6627247 | Method of providing a marking on a substrate | Jan Auke Hovius, Dirk Teeuw, Ytsen Wielstra | 2003-09-30 |
| 6331206 | Lacquer composition | Ytsen Wielstra | 2001-12-18 |