73281524
Oct 14, 1980
Sep 14, 1982
Data Processing Equipment and Components and Sub-Units of Data Processing Equipment-Namely, Computer, Interactive Display Terminals, Data Output Printers, Type Wheels for Data Output Printers, Disk Storage Units, Computer-Typewriter Interfaces in the Nature of Parallel-Serial Converters, Computer Parallel-Serial Converters, Computer Interfaces in the Nature of Parallel-Serial Converters Connecting Two Computers, Electrical Connecting Cables, Printed Circuit Boards, Data Memories, Central Processing Units, Cathode Ray Butes, Power Supplies, and Keyboards
Electrical and Scientific Apparatus