Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11012745 | Methods and apparatus to identify and credit media using ratios of media characteristics | David Howell Wright, Charles Clinton Conklin, Daniel Nelson | 2021-05-18 |
| 11012757 | Timely addition of human-perceptible audio to mask an audio watermark | — | 2021-05-18 |
| 10911749 | Display device on/off detection methods and apparatus | Dan Nelson | 2021-02-02 |