73276259
Sep 2, 1980
Sep 14, 1982
Computer-Aided System-Namely, a Computer Control Unit; Cathode Ray Tube Graphics Display Terminals; Memory Storage Media; Graphics Controls-Namely, Data Tablets, Input Keyboards, Light Pens, Function Switches, and Programmed Selectable Variable Dials; and Prerecorded Computer Programs Therefore All Sold as a Unit for Use in Creating, Analyzing and Modifying Engineering or Artistic Design for Subsequent Permanent Documentation or to Control Machine Tools
Electrical and Scientific Apparatus