Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8738437 | Passive mining of usage information in a location-based services system | Eric A. Portman, Michael J. Burgiss, Chad S. Holmes, Angela King Smith | 2014-05-27 |
| 8527421 | Virtual customer database | Eric A. Portman, Michael J. Burgiss | 2013-09-03 |
| 8073920 | Service authorizer | Eric A. Portman, Michael J. Burgiss | 2011-12-06 |
| 7970648 | Advertising campaign and business listing management for a location-based services system | Eric A. Portman, Michael J. Burgiss, Chad S. Holmes, Angela King Smith | 2011-06-28 |
| 7860519 | Location-based services system | Eric A. Portman, Chad S. Holmes, Michael J. Burgiss, Angela King Smith | 2010-12-28 |
| 7698228 | Tracking purchases in a location-based services system | Eric A. Portman, Michael J. Burgiss, Chad S. Holmes, Angela King Smith | 2010-04-13 |
| 7472091 | Virtual customer database | Eric A. Portman, Michael J. Burgiss | 2008-12-30 |
| 7441016 | Service authorizer | Eric A. Portman, Michael J. Burgiss | 2008-10-21 |
| 7412260 | Routing call failures in a location-based services system | Eric A. Portman, Chad S. Holmes, Michael J. Burgiss, Angela King Smith | 2008-08-12 |
| 7254384 | Multi-modal messaging | Eric A. Portman, Michael J. Burgiss | 2007-08-07 |
| 7233655 | Multi-modal callback | Eric A. Portman, Michael J. Burgiss | 2007-06-19 |
| 6944447 | Location-based services | Eric A. Portman, Chad S. Holmes, Michael J. Burgiss, Angela King Smith, Ashton F. Pitts III +2 more | 2005-09-13 |
| 6848542 | Method for passive mining of usage information in a location-based services system | Eric A. Portman, Michael J. Burgiss, Chad S. Holmes, Angela King Smith | 2005-02-01 |