U.S. federal trademark · Serial No. 78640975 · Reg. No. 3406702
Programmable electronic light and tone intercom system comprising computer for controlling the system, colored lights and chime tones for signaling to control the patient/client flow in a facility, alert or call personnel, provide a visual intercom function, provide patient/client arrival or waiting indications, call for and time procedures, and provide a staff registry to know who is in the building
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