Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278991 | Handover techniques | Peter A. Ramsdale | 1994-01-11 |
| 5265263 | Handover techniques | Peter A. Ramsdale | 1993-11-23 |
| 5079521 | Fractional-N frequency synthesizer using delta-sigma modulator in divider control circuit | Nigel J. R. King, Eric Breakenridge, Michael John Ball | 1992-01-07 |
| 4620238 | Method and apparatus for recording and replay of digital audio data | Roger Lagadec, Guy W. W. McNally | 1986-10-28 |
| 4591926 | Technique for editing interleaved digital audio data | Roger Lagadec, Guy W. W. McNally | 1986-05-27 |
| 4562489 | Apparatus for recording of digital data | Roger Lagadec, Guy W. W. McNally | 1985-12-31 |