Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806413 | Oscillator providing waveform having dynamically continuously variable waveshape | Robert H. Chidlaw | 2004-10-19 |
| 4833963 | Electronic musical instrument using addition of independent partials with digital data bit truncation | John A. Hayden, Robert H. Chidlaw | 1989-05-30 |