Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449990 | Communication protocol for interconnected hazardous condition detectors, and system employing same | John Andres, Joseph G. DeLuca, Chris R. Gilbert, Craig Kleinberg, Larry R. Ratzlaff +2 more | 2008-11-11 |
| 6791453 | Communication protocol for interconnected hazardous condition detectors, and system employing same | John Andres, Joseph G. DeLuca, Chris R. Gilbert, Craig Kleinberg, Larry R. Ratzlaff +2 more | 2004-09-14 |
| 6753786 | Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature | John Andres, Joseph G. DeLuca, Chris R. Gilbert, Larry R. Ratzlaff | 2004-06-22 |