Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219849 | Television receiver having a controllable sound suppression filter | Peter Janssen, Wilhelmus J. Christis | 1980-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219849 | Television receiver having a controllable sound suppression filter | Peter Janssen, Wilhelmus J. Christis | 1980-08-26 |