Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8595131 | Method for paying for a service offered by means of a data network | Tai Duc Vu, Christian Pho Duc | 2013-11-26 |
| 6328876 | Method for producting a filter | Wilfried Hofmann | 2001-12-11 |