Medical apparatus and instruments for use in colonoscopy procedures

SYSTEM FOR EVALUATING RETROREFLECTIVITY OF REFLECTIVE OBJECTS HAVING A LIGHT SOURCE FOR ILLUMINATION AND A SENSOR FOR COLLECTION OF LIGHT INTENSITY

Computer terminals for use in a harsh environment

Data acquisition and collection services in the field of traffic and transportation engineering, namely, related to retroreflectivity of reflective objects

Handheld stereoscopic slide viewers sold as a unit with discs specially adapted for stereoscopic slide viewers carrying a number of stereoscopic pairs of transparencies in the nature of stereo cards

handheld stereoscopic slide viewers and discs specially adapted for stereoscopic slide viewers carrying a number of stereoscopic pairs of transparencies

Handheld stereoscopic slide viewers sold as a unit with discs specially adapted for stereoscopic slide viewers carrying a number of stereoscopic pairs of transparencies in the nature of stereo cards