Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661880 | System and method for embedding digital information in a dial tone signal | Spiro Poulis, Matt Smith, Ned D. Plasson | 2003-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661880 | System and method for embedding digital information in a dial tone signal | Spiro Poulis, Matt Smith, Ned D. Plasson | 2003-12-09 |