Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855616 | Apparatus for synchronously switching frequency source | Stephen S. C. Si | 1989-08-08 |
| 4835728 | Deterministic clock control apparatus for a data processing system | Stephen S. C. Si, Jongwen Chiou | 1989-05-30 |