Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496098 | Swivel elbow for mask assembly | Memduh Guney, Anthony Michael Ging, Perry David Lithgow, Jim Saada, Amal Shirley Amarasinghe +2 more | 2004-09-14 |
| D492992 | Portion of mask assembly | Memduh Guney, Timothy Tsun-Fai Fu, Perry David Lithgow, Amal Shirley Amarasinghe, Joanne Elizabeth Drew +5 more | 2004-07-13 |
| D486226 | Mask assembly | Memduh Guney, Timothy Tsun-Fai Fu, Perry David Lithgow, Amal Shirley Amarasinghe, Joanne Elizabeth Drew +5 more | 2004-02-03 |