Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873696 | System and method for preserving caller privacy | Annie Nguyen | 2005-03-29 |
| 6714639 | System and method for providing calling name services with local number portability | Neil Gilmartin, George H. Grier, Charles L. Heiker, David Scott | 2004-03-30 |
| 5963864 | Method and system for automatically connecting telephone calls to multiple devices having different directory numbers | Douglas O'Neil, JoAnn Blount | 1999-10-05 |