Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860269 | Forehead support for facial mask | Philip Rodney Kwok, Michael Kassipillai Gunaratnam, Perry David Lithgow, Jonathan P. Harrison, Robert Stephen Matchett +1 more | 2005-03-01 |