Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7474227 | Multiwavelength smoke detector using white light LED | — | 2009-01-06 |
| 7233253 | Multiwavelength smoke detector using white light LED | — | 2007-06-19 |
| 6778091 | Smoke chamber | Louis Desmarais, Jayanthi Prasad, Lawrence G. Stanley, Donald D. Brighenti | 2004-08-17 |