Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9592359 | Forehead support for facial mask | Philip Rodney Kwok, Michael Kassipillai Gunaratnam, Perry David Lithgow, Jonathan Lee Liston, Robert Stephen Matchett +1 more | 2017-03-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9592359 | Forehead support for facial mask | Philip Rodney Kwok, Michael Kassipillai Gunaratnam, Perry David Lithgow, Jonathan Lee Liston, Robert Stephen Matchett +1 more | 2017-03-14 |