BELLMAN & SYMFON

Acoustical and optical alerting systems namely, notification systems for hearing impaired persons, persons in difficult listening situations, visually and dexterity impaired persons and persons with other handicaps; acoustic ringers; and alerting systems comprising audio transmitters, receivers and loudspeakers; devices to vary the volume, frequency and/or tone pulse or ringing signals, namely, for use with notification systems for hearing impaired persons; audio transmitters and receivers for hearing impaired persons, persons in difficult listening situations, visually and dexterity impaired persons and persons with other handicaps; [ loudspeakers; ] induction loop systems, namely, for use together with hearing amplifiers for hearing impaired persons, persons in difficult listening situations, visually and dexterity impaired persons and persons with other handicaps; ear monitoring systems not for medical use, namely, for use by artists and performers on stages, by reporters during public presentations, by artists in studios and hi-fi stereo listeners; wake-up systems, namely, alarms for hearing impaired persons, persons in difficult listening situations, visually and dexterity impaired persons and persons with other handicaps

Hearing amplifiers for medical use; hearing protectors for medical use