Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9295805 | Anti-asphyxia valve assembly for respirator mask | David John Worboys, Philip Thomas Stallard, James William Charles Vandyke, Susan Robyn Lynch, Steven John Lubke +2 more | 2016-03-29 |