Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561065 | Personal communication and positioning system | Michael L. Obradovich, John D. Pirtle | 2009-07-14 |
| 7236100 | Personal communication and positioning system | Michael L. Obradovich, John D. Pirtle | 2007-06-26 |
| 6924748 | Personal communication and positioning system | Michael L. Obradovich, John D. Pirtle | 2005-08-02 |
| 6515595 | Personal communication and positioning system | Michael L. Obradovich, John D. Pirtle | 2003-02-04 |
| 6133853 | Personal communication and positioning system | Michael L. Obradovich, John D. Pirtle | 2000-10-17 |