73404415
Dec 1, 1982
Apr 10, 1984
Telephone Systems, Comprised of a Handset and Console Unit with Console Features-Namely, Standard Telephone Functions, One-Touch Dialing, Call Progress Monitoring, Group Listening, Clock/Calendar and Alarm, Electronic Display and Modules for Features-Namely, Automatic Dialing, Call Restriction, Stored Message Recall and Custom Calling, Also Known as Telesystems
Electrical and Scientific Apparatus