Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8364966 | Digital watermark systems and methods | Andrew Johnson | 2013-01-29 | $603,000 |
| 8037311 | Digital watermark systems and methods | Andrew Johnson | 2011-10-11 | $344,000 |
| 7987370 | Digital watermark systems and methods | Andrew Johnson | 2011-07-26 | $384,000 |
| 7269734 | Invisible digital watermarks | Andrew Johnson | 2007-09-11 | $995,000 |