Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427007 | System and method for completing a call while at least one call is established using analog interface to telephone network | Fred Burg, Mostafa Hashem Sherif, Kamlesh T. Tewani | 2002-07-30 |