Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569317 | Trickle valve | Hubertus Wilhelmus Albertus Dries, Willem Rozema | 2003-05-27 |
HD
Hendricus A. Dirkse
Overall (2003): #214,934 of 273,478Top 80%
1
Patents 2003