76425401
Jun 26, 2002
May 10, 2005
AUTOMATIC VOLTAGE REGULATORS FOR ELECTRIC POWER; ELECTRONIC POWER UNITS USED TO STABILIZE POWER VOLTAGE OF COMPUTERS AND VOLTAGE SENSITIVE EQUIPMENT; APPARATUS TO PRODUCE AN UNINTERRUPTIBLE POWER SUPPLY, NAMELY, UNINTERRUPTIBLE ELECTRICAL POWER SUPPLIES; AND BATTERIES
Electrical and Scientific Apparatus