Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130008 | Respirator flow control apparatus and method | Garry J. Walker, Andrew Murphy, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2021-09-28 |
| 11052208 | Exhaust valve shroud for a personal protection respiratory device | Sabeel Ullah, Benjamin H. Cooper | 2021-07-06 |