Hazard detection
Hazard detection subsystem for use in a home security...
Hazard detection, warning, and response system
Hazard detector
Hazardous condition detector with hardware hush
Heat actuated link
Heat detector for livestock
Heat detector having an increased accuracy alarm temperature...
Heat resistant nickel based alloy castings
Heat seal monitoring devices for a container, which more...
Heater with flame powered logic supply circuit
Helicopter remote control system
Helicopter shipboard landing system
High definition zero mark for optical encoder
High density capacitive touch switch array arrangement
High gain sensing and switching means for smoke detectors
High impact communication and control system
High output audible alarm device utilizing a piezoelectric...
High performance control loading system for manually-...
High performance electro-optic smoke detector