Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D968588 | Powered air purifying respirator main body | Ryan Whitwood, William C. Hamill, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika +1 more | 2022-11-01 |
| D954252 | Powered air purifying respirator | Ryan Whitwood, William C. Hamill, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika +1 more | 2022-06-07 |
| 8176913 | Respirator helmet with quick release safety lens | — | 2012-05-15 |