Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274973 | Semi-closed circuit underwater breathing apparatus ratio regulator | Gary Byrd, Chris Fellner | 2019-04-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274973 | Semi-closed circuit underwater breathing apparatus ratio regulator | Gary Byrd, Chris Fellner | 2019-04-30 |