Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859870 | Two-mode driver circuit | Anthony Wong, Daniel Wong | 1989-08-22 |
| 4845390 | Delay control circuit | — | 1989-07-04 |
SC
Steven S. Chan
Overall (1989): #15,572 of 140,708Top 15%
2
Patents 1989