Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071852 | Refuge shelter, coupling and method | David E. Maust, Michael Scott Bishoff | 2024-08-27 |
| 10890069 | Refuge shelter, coupler and method | David E. Maust, Michael Scott Bishoff | 2021-01-12 |