Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625316 | Tuning circuit for an RC filter | Mark Chambers, James B. Phillips | 1997-04-29 |
| 5459427 | DC level shifting circuit for analog circuits | Mark Chambers, Fatima D. Da Costa Seidel, James B. Phillips | 1995-10-17 |