Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573985 | Systems and methods for facilitating communications involving hearing-impaired parties | William A. McClelland, Steven C. Johnson, Mark R. Logan, Chris R. Heidelbauer, Kurt P. Haldeman | 2009-08-11 |
| 7236574 | Method and system for providing communication services for hearing-impaired parties | Kurt P. Haldeman, William A. McClelland | 2007-06-26 |
| 7142642 | Systems and methods for facilitating communications involving hearing-impaired parties | William A. McClelland, Steven C. Johnson, Mark R. Logan, Ivaylo Ivanov, Kurt P. Haldeman +1 more | 2006-11-28 |