Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137321 | Filtering face-piece respirator having an integrally-joined exhalation valve | — | 2018-11-27 |
| 10130833 | Reinforced filter media | Seyed A. Angadjivand, Marvin E. Jones, John M. Brandner | 2018-11-20 |