Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D790055 | Nasal mask | Stephen D. Loeffler, Robert F. Guyette | 2017-06-20 |
| D777905 | Nasal mask | Stephen D. Loeffler, Robert F. Guyette | 2017-01-31 |
| 8122903 | Close-coupled purgeable vaporizer valve | Stephen D. Loeffler, Charles W. Albrecht | 2012-02-28 |
| 6892762 | Manifolded fluid delivery system | George K. Porter, Charles W. Albrecht | 2005-05-17 |
| 6834848 | Atomizer | George K. Porter, Charles W. Albrecht | 2004-12-28 |
| 6694809 | Flow controller | George K. Porter, Charles W. Albrecht | 2004-02-24 |
| 6604492 | Vaporizer | George K. Porter, Charles W. Albrecht | 2003-08-12 |