Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634358 | Nasal mask cushion assembly | Robert Edward Styles | 2003-10-21 |
| 6581602 | Nasal mask and mask cushion therefor | Robert Edward Styles | 2003-06-24 |
| 6561190 | Mask and a vent assembly therefor | — | 2003-05-13 |
| 6561191 | Mask and a vent assembly therefor | — | 2003-05-13 |
| 6557556 | Forehead support for facial mask | William Edwin John Grant, Robert Stephen Matchett | 2003-05-06 |
| 6532961 | Forehead support for facial mask | Michael Kassipillai Gunaratnam, Perry David Lithgow, Jonathan P. Harrison, Jonathan Lee Liston, Robert Stephen Matchett +1 more | 2003-03-18 |
| 6513526 | Full-face mask and mask cushion therefor | Robert Edward Styles, Gregory Scott Smart | 2003-02-04 |