Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698805 | Tone signal generator for producing multioperator tone signals | Charles D. Thompson, Salvador R. Bernadas | 1997-12-16 |
| 5665929 | Tone signal generator for producing multioperator tone signals using an operator circuit including a waveform generator, a selector and an enveloper | Qiujie Dong, Salvador R. Bernadas | 1997-09-09 |
| 5644098 | Tone signal generator for producing multioperator tone signals | Salvador R. Bernadas, Qiujie Dong | 1997-07-01 |