Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791453 | Communication protocol for interconnected hazardous condition detectors, and system employing same | John Andres, Michael W. Apperson, Joseph G. DeLuca, Chris R. Gilbert, Larry R. Ratzlaff +2 more | 2004-09-14 |