Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D936226 | Respirator filter cartridge | Jennifer A. Chaisson, Jamie V. Blair | 2021-11-16 | |
| 11052268 | Respirator negative pressure fit check devices and methods | William A. Mittelstadt, Carl W. Raines, III, David R. Stein, Nathan A. Abel, David M. Blomberg +6 more | 2021-07-06 | $56,153,000 |