Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574328 | Telephone call control system for the public switched telephone network | Samuel F. Wood, Margaret Susan Asprey | 2003-06-03 |
| 6532288 | Tandem access control processor connected to the public switched telephone network for controlling features | Samuel F. Wood, Margaret Susan Asprey | 2003-03-11 |
| 6529596 | Web-based control of telephone | Margaret Susan Asprey, Samuel F. Wood | 2003-03-04 |