Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198303 | Ink delivery system incorporating regulator tank | Samuel George Mallinson, Geordie McBain | 2021-12-14 |
| 11071839 | Cushion for a respiratory mask assembly | Robert Henry Frater, Joanne Elizabeth Drew, Philip Rodney Kwok, Aaron Samuel Davidson, Robin Garth Hitchcock +3 more | 2021-07-27 |