Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298832 | Method for determining concurrent voice over IP calls | Howard Lang, Eric Woerner | 2007-11-20 |
| 6954520 | Method for determining concurrrent voice over IP calls | Howard Lang, Eric Woerner | 2005-10-11 |