Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819252 | Carbon monoxide and smoke detection apparatus | Derek Johnston | 2004-11-16 |
| 6798153 | Method of regulating power in a high-intensity-discharge lamp | Charles B. Mattas, Oscar Deurloo | 2004-09-28 |