Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949878 | Telecommunication-assisted time stamp | — | 2011-05-24 |
| 7925257 | Method for operating a database | Christel Mueller, Heiko Armin Schoenebeck, Carsten Weinman, Dietmar Drees | 2011-04-12 |