Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7558852 | Tag location, client location, and coverage hole location in a wireless network | Bretton Douglas, Timothy S. Olson, David E. Halasz, Arnold Mark Bilstad, Sheausong Yang +3 more | 2009-07-07 |
| 7293088 | Tag location, client location, and coverage hole location in a wireless network | Bretton Douglas, Timothy S. Olson, David E. Halasz, Arnold Mark Bilstad, Sheausong Yang +3 more | 2007-11-06 |