Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868881 | Method and system of background noise suppression in an audio circuit particularly for car radios | Klaus Deuter | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868881 | Method and system of background noise suppression in an audio circuit particularly for car radios | Klaus Deuter | 1989-09-19 |