Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491034 | Gas delivery connection assembly | Philip Rodney Kwok, Perry David Lithgow | 2002-12-10 |
| 6439230 | Mask with recess including at least one mask port | Amal Shirley Amarasinghe | 2002-08-27 |
| 6412487 | Mask cushion and frame assembly | Gregory Scott Smart, Philip Rodney Kwok | 2002-07-02 |
| 6374826 | Mask and headgear connector | Philip Rodney Kwok | 2002-04-23 |