Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978613 | Test signalling | Philip Gray, Michael P Hollier, Antony Rix | 2011-07-12 |
| 7567548 | Method to reduce the distortion in a voice transmission over data networks | Philip Gray, Michael P Hollier, Antony Rix | 2009-07-28 |
| 7058713 | Method to assess the quality of a voice communication over packet networks | Philip Gray, Michael P Hollier, Antony Rix | 2006-06-06 |
| 7050924 | Test signalling | Antony Rix, Philip Gray, Michael P Hollier | 2006-05-23 |
| 6718296 | Measurement of signal quality | Antony Rix, Michael P Hollier, Gray Philip, Eleanor J Beamond | 2004-04-06 |
| 6389111 | Measurement of signal quality | Michael P Hollier, Philip J Sheppard, Antony Rix | 2002-05-14 |
| 6304634 | Testing telecommunications equipment | Michael P Hollier, Antony Rix | 2001-10-16 |