Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737212 | Device and method for removal of pollutants from gas streams | Keith Maurice Duhaime, Allan Robert Danroth | 2020-08-11 |
| 7309513 | Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases | Larry A. Brey, Simon James Smith | 2007-12-18 |
| 7004990 | Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases | Larry A. Brey, Simon James Smith | 2006-02-28 |