Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308554 | Television viewer reaction determining system | Roger D. Percy, David C. M. Wilding | 1981-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308554 | Television viewer reaction determining system | Roger D. Percy, David C. M. Wilding | 1981-12-29 |