Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559601 | Handling emergency service calls originating from internet telephony | John R. Anderson | 2013-10-15 |
| 7496182 | Handling emergency service calls originating from internet telephony | John R. Anderson | 2009-02-24 |