Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801772 | Cellular mobile telephone network operation | Jonathan R Townend | 2004-10-05 |
| 6765886 | Call set-up and service invocation in telecommunications networks | John Cullen | 2004-07-20 |