Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10506226 | Display device on/off detection methods and apparatus | Dan Nelson | 2019-12-10 |
| 10368127 | Methods and apparatus to identify and credit media using ratios of media characteristics | David Howell Wright, Charles Clinton Conklin, Daniel Nelson | 2019-07-30 |
| 10306221 | Display device on/off detection methods and apparatus | Dan Nelson | 2019-05-28 |
| 10225730 | Methods and apparatus to perform audio sensor selection in an audience measurement device | James Joseph Vitt, Timothy Scott Cooper, Douglas Brent Turnbow | 2019-03-05 |