Rockbolt monitor
Roll-up alarm screen assembly and shipping container therefor
Roller shutter
Rolling truck with a transponder
Roof moisture detection assembly
Roof moisture sensing system and method for determining presence
Roof vents with moisture detectors and roof systems incorporatin
Roof vents with moisture detectors and roof systems...
Room monitoring and lighting system
Room occupancy indicator means and method
Room occupancy sensor, lens and method of lens fabrication
Ropeway safety monitoring system
Rotary device synchronizer
Rotary paddle bin monitor
Rotatable lid switch having foul weather feature
Rotating magnet array for deactivating EAS markers
Rotation indicating device
Rotation sensing device for detecting a fine displacement of a h
Rotation sensor with temperature measuring feature
Rubber-covered RFID module, and pneumatic tire having the it...