Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10744352 | Half facepiece | Carl Estcourt Tucker, John Slemmen, Gareth Dyfan Evans, Garath Tudor Roberts, Chris Ward +5 more | 2020-08-18 |
| 10576407 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post | Frank Ding, Michael Parham | 2020-03-03 |
| 10556136 | Half facepiece | Antti SEPPÄLÄ, Robert Charles Sutton, Michael Parham | 2020-02-11 |