Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10363509 | Air filter condition sensing | Jonathan B. Arthur, Karl W. Bloedorn, Jayant Chakravarty, Gene B. Portelli, Dennis M. Glass +5 more | 2019-07-30 |
| 10172742 | Hearing protector with compartment for rechargeable battery pack | Douglas D. Fletcher, Eric O. Hemberg | 2019-01-08 |