Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154680 | Headgear for a respiratory mask | Bruce Michael Walls, Matthew Roger Stephenson | 2021-10-26 |
| 11154681 | Breathing apparatus with mask assembly for delivering breathing gases | Wen Dong Huang, Arvin San Jose Gardiola, Matthew Roger Stephenson, Toong Chuo Lim, Bruce Michael Walls | 2021-10-26 |