Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441827 | Hybrid self-rescue equipment | Eric J. Robey, Thomas J. Pitzer, William E. Dedig, Jr. | 2019-10-15 |
| 9220930 | Amplifier mount for a closed-circuit breathing apparatus mask | Eric J. Robey | 2015-12-29 |