Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553497 | Electromagnetic field tamper alarm | David Carroll Challener | 2003-04-22 |
| 6504825 | Method and system for locating devices during system administration | David Carroll Challener, Richard Wayne Cheston, John P. Karidis, Frank P. Novak, Joseph P. McGovern | 2003-01-07 |