Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684682 | Method and apparatus for selectable DC to DC conversion | Zhong Zhong | 1997-11-04 |
| 5612861 | Method and apparatus for low voltage CMOS start circuit | Zhong Zhong | 1997-03-18 |