Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459803 | Method for encoding auxiliary data within a source signal | Robert D. Powell | 2002-10-01 |
| 6385330 | Method for encoding auxiliary data within a source signal | Robert D. Powell | 2002-05-07 |