Blood pressure measuring apparatus; Blood pressure monitors; Breast pumps; Clinical thermometers; Dental drills; Dental handpieces; EKG machines; Electrocardiographic (ECG) recorders and electrocardiographic (ECG) digital plasters sold as a unit; Fetal heartbeat monitors; Fetal pulse monitors; Hearing aids; Personal sound amplifiers not for medical purposes; personal sound amplifier components, namely, housings, ear hooks, ear tubing, and ear domes not for medical purposes; personal sound amplifier accessory kits sold as a unit comprising ear tubing, ear domes, cleaning brushes, and batteries not for medical purposes; television set with wireless audio transmission to headphones; visual alerting signaler and receiver devices, namely, event occurrence detector signaling devices, namely, doorbell ring detectors, telephone ring detectors, intercom detectors, sound detectors, baby cry detectors, and videophone activation detectors, wired or wirelessly coupled to the signaling devices for generating an audible and/or visual and/or tactile indication of an event occurrence detected by the signaling devices; telephones; telephone amplifiers; earphones; link boxes, namely, telephone connectors; telephone incoming call indicators; telephone handsets; telephone headsets, telephone recorders; batteries for telephones; antennas for telephones; adaptor cords for telephones; charging stations for telephones; telephones with captions for the deaf and hearing impaired; radio transmitters and receivers for use in association with hearing aids and amplification of sounds to assist the hearing disabled; telecommunication devices for the deaf (TDD'S); loop amplifiers for use with telephones and MP3 players; doorbell amplifiers; Maternity support belts for medical purposes; Medical apparatus and instruments for monitoring vital signs, blood properties and respiratory events; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, and vital signs; Medical apparatus, namely, fetal and maternal vital sign and physical distress monitors; Medical devices, namely, pulse oximeters; Pulse measuring devices; Pulse meters; Pulse rate monitors; Spirometer mouth pieces and tubing; Stethoscopes and sphygmomanometers; Ultrasound diagnostic apparatus; Ultrasound probe for medical use; Medical ventilators; Medical apparatus for monitoring blood glucose levels; Medical apparatus, namely, bi-level positive airway pressure (BPAP) devices; Medical apparatus, namely, continuous positive airway pressure (CPAP) devices