Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5859905 | Cycle-modulating type of dual-tone multifrequency generator | Rong-Tyan Wu | 1999-01-12 |
| 5714954 | Waveform-generating apparatus | Rong-Tyan Wu | 1998-02-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5859905 | Cycle-modulating type of dual-tone multifrequency generator | Rong-Tyan Wu | 1999-01-12 |
| 5714954 | Waveform-generating apparatus | Rong-Tyan Wu | 1998-02-03 |