Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671287 | Stereophonic signal processor | — | 1997-09-23 |
| 5627899 | Compensating filters | Peter Graham Craven | 1997-05-06 |
| 5594800 | Sound reproduction system having a matrix converter | — | 1997-01-14 |