Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960393 | User selectable multiple threshold criteria for voice recognition | Paul Wesley Cohrs, Donald Marion Keen, Ellen Anne Keen | 1999-09-28 |
| 5842161 | Telecommunications instrument employing variable criteria speech recognition | Paul Wesley Cohrs, Donald Marion Keen, Ellen Anne Keen | 1998-11-24 |