Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8827921 | Plethysmograph with animal restraint | Yuval Shemesh, Hai Dang Nguyen, Chau Le, Richard A. Shafer | 2014-09-09 |
| 8628479 | Plethysmograph with animal restraint | Yuval Shemesh, Richard A. Shafer, Chau Le, Hai Dang Nguyen | 2014-01-14 |
| 8316849 | Integrated ventilator with calibration | Richard Larson | 2012-11-27 |
| 7402137 | Adjustable table plethysmograph | Steve Karpinski | 2008-07-22 |
| 7233333 | Collapsible (folding) graph | — | 2007-06-19 |
| 7104962 | Cough/sneeze analyzer and method | Richard Larson | 2006-09-12 |
| 6902532 | Reduced-noise plethysmograph | — | 2005-06-07 |