Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791339 | Spring piloted safety valve with jet venturi bias | — | 1998-08-11 |
| 5771884 | Magnetic exhalation valve with compensation for temperature and patient airway pressure induced changes to the magnetic field | Stephen Yarnall, Bruce Van Wagner | 1998-06-30 |