Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496521 | Telecommunications networks | Steven S Dougall, Jonathan R. Hopkins | 2002-12-17 |
| 6389042 | Data prompt and collect in telecommunications network having digital data and bearer channels on single communications line | Steven S Dougall, Jonathan R. Hopkins | 2002-05-14 |
| 4300230 | Digital switching arrangements for stored program control telecommunications systems | Alexander S. Philip, Allen Parkinson, Frederick H. Rees, Graham Howard, Anthony E. Shuttleworth | 1981-11-10 |