BELLMAN & SYMFON

TELEPHONES, NAMELY AMPLIFIED TELEPHONES WITH ACOUSTICAL ALERTING SYSTEMS COMPRISED OF ACOUSTIC RINGERS, BUZZERS, AUDIO TRANSMITTERS, RECEIVERS, SPEAKERS FOR HEARING IMPAIRED PERSONS, PERSONS IN DIFFICULT LISTENING SITUATIONS, VISUALLY AND DEXTERITY IMPAIRED PERSONS AND PERSONS WITH OTHER HANDICAPS; TELEPHONES WITH TACTILE ALERTING SYSTEMS COMPRISED OF MECHANICAL VIBRATING MECHANISMS FOR HEARING IMPAIRED PERSONS, PERSONS IN DIFFICULT LISTENING SITUATIONS, VISUALLY AND DEXTERITY IMPAIRED PERSONS AND PERSONS WITH OTHER HANDICAPS; AND TELEPHONES WITH OPTICAL ALERTING SYSTEMS COMPRISED OF FLASHING LIGHTS, OPTICAL DISPLAYS FOR HEARING IMPAIRED PERSONS, PERSONS IN DIFFICULT LISTENING SITUATIONS, VISUALLY AND DEXTERITY IMPAIRED PERSONS AND PERSONS WITH OTHER HANDICAPS