Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9592359 | Forehead support for facial mask | Philip Rodney Kwok, Michael Kassipillai Gunaratnam, Perry David Lithgow, Jonathan P. Harrison, Jonathan Lee Liston +1 more | 2017-03-14 |