Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738461 | Methods and apparatus for returning a call over a telephony system | David S. Trandal, David J. Brahm | 2004-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738461 | Methods and apparatus for returning a call over a telephony system | David S. Trandal, David J. Brahm | 2004-05-18 |