74673973
May 15, 1995
Jun 10, 1997
computer software, namely, software which allows a user to search a data base which features information regarding the parameters and characteristics of different TTL IC chips and transistors, and schematics of common digital and analogue circuitry in which such TTL IC chips and transistors may be used, and featuring tables of physical constants and formula related to engineering applications, for use by engineers, scientists, technicians, students, and hobbyists, in the design of electronic devices
Electrical and Scientific Apparatus