75531360
Aug 5, 1998
Sep 24, 2002
ELECTRICAL POWER TRANSMISSION APPARATUS, NAMELY, TRANSMITTERS FOR TRANSMITTING INTELLIGENCE OVER ELECTRICAL POWER TRANSMISSION LINES, RECEIVERS FOR RECEIVING INFORMATION FROM POWER TRANSMISSION LINES, ELECTRICAL METER TRANSPONDERS AND COMPUTER SOFTWARE FOR CONTROLLING THE ELECTRICAL POWER TRANSMISSION APPARATUS USED IN THE FIELD OF ELECTRIC DISTRIBUTION
Electrical and Scientific Apparatus