Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965825 | Methods and systems for transferring voice messages and faxes over a network | Ivan Johannessen, Leland W. Kirchhoff, David S. Trandal, Donnie Tognazzini, Russell T. Williams +1 more | 2011-06-21 |