Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6792080 | System and method for testing enhanced 911 signalling over a digital loop carrier trunk | Anthony J. Imperato, David Reagan Rice | 2004-09-14 | $13,665,000 |