74244445
Feb 10, 1992
May 10, 1994
communications equipment and telephone systems; namely, computerized communications and telephonic controls for use at a customers facilities outside the central office and transmission network and components therefore, answering machines for customer usage to handle and forward calls within the customers facilities, call forwarding machines for use by customers, switching systems for in house customer usage and for pay phone on site switching including electrical components, circuit boards, and controllers therefor
Electrical and Scientific Apparatus