Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041398 | Method for realizing a presence service and presence system | Manfred Hutt, Rainer Zimmermann | 2011-10-18 |
| 8027276 | Mixed mode conferencing | — | 2011-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041398 | Method for realizing a presence service and presence system | Manfred Hutt, Rainer Zimmermann | 2011-10-18 |
| 8027276 | Mixed mode conferencing | — | 2011-09-27 |