Deterioration indicator and a product having the same

Device and method for detection/indication of liquid leakage

Device and method to aid in toilet training pets

Device for achieving visual marking of a line or wire

Device for adjusting and indicating the relative position of ski

Device for aiding in the selection of a balanced diet

Device for attracting attention--(taxi hailer)

Device for citizens band radio users to determine highway locati

Device for coupling a cardan half-joint with a fixed structure

Device for detecting and quantitatively measuring the...

Device for detecting rodents

Device for detecting rotational speed of a tape reel

Device for detecting steering angle and direction

Device for detecting the presence of a chemical contaminant

Device for detecting, assessing and signaling thaw of frozen...

Device for detection of imminent gas depletion of a liquified ga

Device for fastening flags or the like to their staff or the lik

Device for generating sound waves at relatively high frequencies

Device for housebreaking a dog

Device for indicating a restaurant patron's status