Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498841 | Method and system for providing enhanced call waiting and caller identification | Rex Norman Bull | 2002-12-24 |
| 6453019 | Method and system for canceling unwanted telephone calls | Teresa Farias Latter, Nancy Book, Mary Louise Hardzinski, Thomas Joseph McBlain, Diana Inara Tiliks +1 more | 2002-09-17 |