73779322
Feb 6, 1989
Jul 3, 1990
COMMUNICATION NETWORKS AND ENERGY DISTRIBUTION MANAGEMENT SYSTEMS COMPRISING PACKET RADIOS AND ELECTRIC METERS HAVING POWER LINE COMMUNICATION CAPABILITY AND COMPUTER PROGRAMS AND INSTRUCTIONAL MANUALS SOLD AS A UNIT FOR DATA COLLECTION, MANAGEMENT AND PRESENTATION AND NETWORK MANAGEMENT CONTROL FOR THE UTILITY INDUSTRY
Electrical and Scientific Apparatus