Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647548 | Coded/non-coded program audience measurement system | David H. Harkness | 2003-11-11 |
| 6513161 | Monitoring system for recording device | Henry B. Wheeler | 2003-01-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647548 | Coded/non-coded program audience measurement system | David H. Harkness | 2003-11-11 |
| 6513161 | Monitoring system for recording device | Henry B. Wheeler | 2003-01-28 |