Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9463341 | N2/CO2 fire extinguishing system propellant gas mixture | Robert G. Dunster, Paul W. Weller, Francis T. Clarence, John Wright Porterfield, Jr., Daniel Ray MacLachlan | 2016-10-11 |
| 9308406 | Automatic fire extinguishing system having outlet dimensions sized relative to propellant gas pressure | Robert G. Dunster, Paul W. Weller, Francis T. Clarence, John Wright Porterfield, Jr., Daniel Ray MacLachlan | 2016-04-12 |
| 9302128 | Automatic fire extinguishing system with internal dip tube | Robert G. Dunster, Paul W. Weller, Francis T. Clarence, John Wright Porterfield, Jr., Daniel Ray MacLachlan | 2016-04-05 |