Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159631 | Audio scrambling system using in-band carrier | Ronald Quan | 1992-10-27 |
| 5095279 | Variable frequency sine wave carrier signal generator | Ronald Quan | 1992-03-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159631 | Audio scrambling system using in-band carrier | Ronald Quan | 1992-10-27 |
| 5095279 | Variable frequency sine wave carrier signal generator | Ronald Quan | 1992-03-10 |