Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797250 | Safe haven wall | John George Blackburn, Braden Lusk, Kyle Perry | 2017-10-24 |
| 8460074 | Apparatus and method for providing breathable air to safe havens within a mine | — | 2013-06-11 |