Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343216 | Serial interface circuit for an electronic musical instrument | Richard S. Swain | 1982-08-10 |
| 4333376 | Apparatus for reinforcing notes selected by more than one key | Richard S. Swain | 1982-06-08 |