Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359049 | Methods and systems for enhanced directory assistance using wireless messaging protocols | Heath B. Clarke | 2013-01-22 |
| 8306208 | Enhanced directory assistance services in a telecommunications network | — | 2012-11-06 |
| 7715857 | Methods and systems for enhanced directory assistance using wireless messaging protocols | Heath B. Clarke | 2010-05-11 |
| 7596218 | Enhanced directory assistance services in a telecommunications network | — | 2009-09-29 |
| 7200413 | Methods and system for enhanced directory assistance using wireless messaging protocols | Heath B. Clarke | 2007-04-03 |