Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7218854 | High capacity passive optical network | Brian Unitt, Michael Grant, David T. Phillips | 2007-05-15 |
| 6272209 | Lifeline telephony provision for voice over digital subscriber line | Mark Bridger, Michael Grant, Roger James Williamson, Christopher Tate, Andrew D Wallace | 2001-08-07 |
| 4411526 | Measurement of rotation rate using sagnac effect | Martin Chown | 1983-10-25 |
| 4382681 | Measurement of rotation rate using Sagnac effect | Martin Chown | 1983-05-10 |
| 4333178 | Optical fiber repeater | — | 1982-06-01 |
| 4225753 | Data transmission systems | Martin Chown | 1980-09-30 |