Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934458 | Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signal | Roger Brown, Darren Vass, Graham Butler, Michael Leach | 2005-08-23 |