Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869684 | Protection of a surface by partially subjecting it to an electrochemical treatment | Sjoerd Johannes Franciscus Brattinga, Hans Kuiper, Ytsen Wielstra | 2005-03-22 |
| 6685816 | Protection of a surface by partially subjecting it to an electrochemical treatment | Sjoerd Johannes Franciscus Brattinga, Hans Kuiper, Ytsen Wielstra | 2004-02-03 |