Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10722404 | Comfort headband for hearing protectors | Nicolas A. Echeverri, Oscar Hemberg, Eric O. Hemberg | 2020-07-28 |
| 10646809 | Air filter condition sensing | Jonathan B. Arthur, Karl W. Bloedorn, Jayant Chakravarty, Gene B. Portelli, Dennis M. Glass +5 more | 2020-05-12 |