Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858223 | Security arrangement for a telecommunications exchange system | John W. Ansell, Richard N. Waters | 1989-08-15 |
| 4794644 | Method of secured communications in a telecommunications system | Alexander S. Philip, Mahir Ozdamar | 1988-12-27 |
| 4617659 | Frame aligner for use in telecommunications systems | Ian J. Lawrie, Milan Maric | 1986-10-14 |
| 4368531 | Frame aligner for digital telecommunications exchange system | — | 1983-01-11 |
| 4365330 | Channel zero switching arrangements for digital telecommunication exchanges | Robert Moberly, Alexander S. Philip | 1982-12-21 |