Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668830 | Low noise exhalation port for a respiratory mask | Gary L. Hansen, Clifford Jue | 2003-12-30 |
| 6530373 | Respirator mask | Anthony P. Patron, Michael Sullivan, Gary L. Hansen, Bradley J. Bonnette, John W. Lai +4 more | 2003-03-11 |