H-bridge activator/deactivator and method for...

Hall effect alarm pull station

Hall effect signalling gauge

Hand cleanliness

Hand held safety siren

Hand proximity detector

Hand-held communication device and system employing such...

Hand-operable signal device using percussively- ignitable...

Handheld cordless deactivator for electronic article...

Handheld electronic article surveillance (eas) device...

Handwashing compliance detection system

Hard cover product with concealed security device

Hard cover product with concealed security device and method...

Hazard alarm, system, and communication therefor

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