Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7620379 | Radio frequency tuner | Nicholas P. Cowley, David Sawyer | 2009-11-17 |
| 7606332 | Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner | Nicholas P. Cowley, David Sawyer | 2009-10-20 |
| 7580680 | Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method | Nicholas P. Cowley | 2009-08-25 |
| 7558543 | Radio frequency tuner | Nicholas P. Cowley | 2009-07-07 |