Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11071838 | Mask vent with side wall | Quangang Yang | 2021-07-27 |
| 11071839 | Cushion for a respiratory mask assembly | Joanne Elizabeth Drew, Philip Rodney Kwok, Patrick John McAuliffe, Aaron Samuel Davidson, Robin Garth Hitchcock +3 more | 2021-07-27 |