Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823869 | Mask assembly | Timothy Tsun-Fai Fu, Amal Shirley Amarasinghe, Joanne Elizabeth Drew, Robert Henry Frater, Memduh Guney +1 more | 2004-11-30 |
| D493885 | Full face mask | Aaron Samuel Davidson, Jim Saada, Richard Sokolov | 2004-08-03 |