Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079648 | Marked recorded signals | — | 1992-01-07 |
| 4963998 | Apparatus for marking a recorded signal | — | 1990-10-16 |
| 4961203 | Signal generator | Nicholas Young | 1990-10-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079648 | Marked recorded signals | — | 1992-01-07 |
| 4963998 | Apparatus for marking a recorded signal | — | 1990-10-16 |
| 4961203 | Signal generator | Nicholas Young | 1990-10-02 |