Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891809 | Background communication using shadow of audio signal | Samuel L. Thomasson | 2005-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891809 | Background communication using shadow of audio signal | Samuel L. Thomasson | 2005-05-10 |