Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647117 | Continuity of voice carried over DSL during power failure | Christopher Tate, Mark Bridger | 2003-11-11 |
| 6522691 | Method of and apparatus for determining the capacity of a telecommunications system | Roger James Williamson, Christopher Tate | 2003-02-18 |