Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631968 | Signal conditioning circuit for compressing audio signals | Douglas R. Frey | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631968 | Signal conditioning circuit for compressing audio signals | Douglas R. Frey | 1997-05-20 |