74669817
May 4, 1995
Feb 2, 1999
digital automation units comprising hardware and software for measuring, controlling and protecting electrical output to be used as modules or as integrated units for operating automated electric power networks; communications network units comprising hardware and software for on site or off site operation of automated electrical power network systems
Electrical and Scientific Apparatusinstallation and maintenance of digital equipment for measuring, controlling and protecting electric output for the operation of an automated electric power network system
Building Construction and Repaircustom manufacture of digital automation measuring and control units with communications capability comprising hardware and software to be used as modules or integrated units for operating automated electric power networks
Treatment of Materials