Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137874 | Method of using carrier information for enhanced call data processing by a telecommunications provider | Gerhard Buhler, Yen-Ching Chen, Charles Grayson, Belkacem Manseur | 2000-10-24 |