Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11413479 | Method of controlling a powered air purifying respirator | Douglas D. Jensen, Keith K. Mclaughlin, Andrew Murphy | 2022-08-16 |
| 11278749 | Method of controlling a powered air purifying respirator | Keith K. Mclaughlin, Douglas D. Jensen, Andrew Murphy | 2022-03-22 |