Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775364 | Method and apparatus for selectively sending a false system information tone on a telephone line | — | 2004-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775364 | Method and apparatus for selectively sending a false system information tone on a telephone line | — | 2004-08-10 |