Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922470 | Hybrid DC-feed controller for a subscriber line interface circuit | Donald C. Richardson | 2005-07-26 |
| 6897701 | Method and structure for improving the linearity of MOS switches | Feng Chen, Donald C. Richardson | 2005-05-24 |