Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735775 | Audience rating system for digital television and radio | — | 2004-05-11 |
| 5974299 | Audience rating system for digital television and radio | — | 1999-10-26 |
| 5850249 | Receiver monitoring system with local encoding | Kenneth L. Straub | 1998-12-15 |
| 5278988 | Automated receiver monitoring method and apparatus | Jean P. Dejean, Ken Straub, Everett Zurlinden | 1994-01-11 |