Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7545797 | Partially interconnected topological network | Bruce Jensen, Peter Bladon, Thomas S. Maddern | 2009-06-09 |
| 7487263 | Partially interconnected networks | Richard John Proctor | 2009-02-03 |
| 7483372 | Communication network | Thomas S. Maddern, Richard John Proctor, Henry Anthony Branfield, David I. Scott | 2009-01-27 |
| 7444431 | Partially interconnected networks | Richard John Proctor | 2008-10-28 |
| 7388863 | Port label switching | Thomas S. Maddern | 2008-06-17 |
| 7167453 | Network interconnections | Thomad S Maddern, Bruce Jensen | 2007-01-23 |
| 6600745 | Cell aligners | — | 2003-07-29 |
| 6442163 | Depacketizer and a frame aligner including the depacketizer | — | 2002-08-27 |
| 6199205 | Data delivery services | — | 2001-03-06 |
| 6041055 | Multipurpose synchronous switch architecture | — | 2000-03-21 |
| 5923669 | Adaptive boundary buffers | — | 1999-07-13 |
| 5883900 | Telecommunications transmission | — | 1999-03-16 |
| 5793760 | Method of multiplexing and a multiplexer | — | 1998-08-11 |
| 5710759 | Switch protection arrangement | Andrew Barker, David Paul Stoney | 1998-01-20 |
| 5636260 | Telecommunication customer interface | — | 1997-06-03 |
| 5579311 | Telecommunications switching | Thomas S. Maddern, Paul Smith | 1996-11-26 |
| 5504739 | Reconfigurable switch memory | — | 1996-04-02 |
| 5493435 | Optic switching | Alexander S. Philip | 1996-02-20 |
| 5377209 | Telecommunications system data alignment equipment and method | Ian J. Skinner, Andrew K. Borland, Ernest Culley | 1994-12-27 |
| 5172376 | SDH rejustification | Glyn Jones, Peter Douglas Kerr | 1992-12-15 |
| 5123021 | Message routing check system | Richard John Proctor, Thomas S. Maddern | 1992-06-16 |
| 5091902 | Telecommunications transmission security arrangement | Jonathan W. Rowe | 1992-02-25 |
| 4984236 | Circuit arrangement for use in the time division multiplexed signalling system | Andrew K. Borland | 1991-01-08 |
| 4912700 | Telecommunications digital switch | Thomas S. Maddern | 1990-03-27 |
| 4864556 | Synchronization arrangements for a digital telecommunications exchange system | Milan Maric | 1989-09-05 |