Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300230 | Digital switching arrangements for stored program control telecommunications systems | Alexander S. Philip, Allen Parkinson, Michael G Foxton, Frederick H. Rees, Graham Howard | 1981-11-10 |
| 4197523 | Digital telecommunication switching systems | Alexander S. Philip, Stephen Niewiadomski, Frederick H. Rees | 1980-04-08 |