Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804329 | Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back | Bertram Geck, Robinson Osmar Lima, Enoch Ragin, Jr., Luiz Cesar Zaniolo | 2004-10-12 |