Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357440 | Pliable respiratory mask | Gary L. Hansen | 2002-03-19 |
| 6347631 | Cantilever device and method for breathing devices and the like | Gary L. Hansen, Steven S. Bordewick | 2002-02-19 |