Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956295 | Sleep detection using an adjustable threshold | Quan Ni, Douglas R. Daum, Jeffrey E. Stahmann, John D. Hatlestad, Kent Lee | 2015-02-17 |
| 8535222 | Sleep detection using an adjustable threshold | Quan Ni, Douglas R. Daum, Jeff Stahmann, John D. Hatlestad, Kent Lee | 2013-09-17 |
| 7189204 | Sleep detection using an adjustable threshold | Quan Ni, Douglas R. Daum, Jeff Stahmann, John D. Hatlestad, Kent Lee | 2007-03-13 |