Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573985 | Systems and methods for facilitating communications involving hearing-impaired parties | William A. McClelland, Steven C. Johnson, Chris R. Heidelbauer, Benjamin W. Dudley, Kurt P. Haldeman | 2009-08-11 |
| 7142642 | Systems and methods for facilitating communications involving hearing-impaired parties | William A. McClelland, Steven C. Johnson, Ivaylo Ivanov, Benjamin W. Dudley, Kurt P. Haldeman +1 more | 2006-11-28 |