Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041398 | Method for realizing a presence service and presence system | Florian Nierhaus, Rainer Zimmermann | 2011-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041398 | Method for realizing a presence service and presence system | Florian Nierhaus, Rainer Zimmermann | 2011-10-18 |