Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476217 | Mine emergency refuge systems | Taber MacCallum, Barry Wynns Finger, David S. Zuniga, Brian Richardson, Jason H. Brockbank +1 more | 2016-10-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476217 | Mine emergency refuge systems | Taber MacCallum, Barry Wynns Finger, David S. Zuniga, Brian Richardson, Jason H. Brockbank +1 more | 2016-10-25 |