Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D556325 | Contoured nasal air purifier | — | 2007-11-27 |
| 6981501 | Personal air purifier with integral lanyard | — | 2006-01-03 |
| 6971387 | Personal air purifier | — | 2005-12-06 |
| 6971388 | Internal nasal dilator filter | — | 2005-12-06 |
| 6962156 | Enhanced personal air purifier | — | 2005-11-08 |
| 4412096 | Combination earmold and receiver adapter | Bradly James Edgerton, William F. House | 1983-10-25 |