Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846618 | Method and apparatus for automatically maintaining a desired level of oxygen in a refuge | David E. Maust, Kyle D. Maust, Kyle R. Murray | 2023-12-19 |
| 11150229 | Method and apparatus for automatically maintaining a desired level of oxygen in a refuge | David E. Maust, Kyle D. Maust, Kyle R. Murray | 2021-10-19 |