Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040237 | Methods and apparatus to detect carrying of a portable audience measurement device | Christen V. Nielsen | 2011-10-18 |
| 8019162 | Methods and apparatus for detecting on-screen media sources | Min Zhang, David Howell Wright, Scott Cooper, Regina Dykstra, Arun Ramaswamy | 2011-09-13 |