Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8521191 | System and method for determining a location for a mobile device | Michael W. Powers, Shad L. Holt, Stephen P. Frisbie, John W. Walter, Mark T. Sheeter | 2013-08-27 |
| 8238941 | System and method for determining a location for a mobile device | Michael W. Powers, Shad L. Holt, Stephen P. Frisbie, John W. Walter, Mark T. Sheeter | 2012-08-07 |
| 6859172 | System and method for locating a mobile phone | Michael W. Powers, Sam D. Sorensen, Chuck Williams, John W. Walter | 2005-02-22 |