75068205
Mar 6, 1996
May 5, 1998
AC and DC power systems, namely, uninterruptible, fault tolerant and telecommunications electrical power systems comprised of inverters, rectifiers, power conditioners, battery management units and uninterruptible power units for use in power blackout and line conditioning applications and computer software for controlling, managing and monitoring power operations and functions
Electrical and Scientific Apparatus[ repair, maintenance and installation for AC and DC power systems ]
Building Construction and Repair