FireDOC Search
displaying
1 - 2
results in total
2
Teeters, L. L.
view article (9.9981365)
Flame and Carbon Monoxide Sensor and Alarm Circuit.
Phoenix, AZ
U.S. Patent 3,909,816, September 30, 1975, 6 p.
Teeters, L. L.
view article (9.993612)
Fire Detector and Extinguisher System.
U.S. Patent 3,750,161, July 31, 1973, 7 p.