74392564
May 20, 1993
Jul 18, 1995
computer input units in the nature of key pads, keyboards, and numeric and function key input units; computer operating software to control the above units; computer utility and applications software to map numeric and function key arrangements, to create, modify and execute macros, and to simulate a calculator's paper tape output; and instructional manuals therefor sold as a unit
Electrical and Scientific Apparatus