Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7941520 | System and method for tracking telephone network capacity and equipment | Ellen W. Brown, Patricia Rankins Askew, Rick Quinn, Mark K. Zickefoose, James P. Womack +14 more | 2011-05-10 |