78618102
Apr 27, 2005
Radio frequency line tracers, audio frequency line tracers, pipe and cable locators, multi-frequency pipe and cable locators, power line detectors, fiber optic cable locating systems, namely, multi-channel RF transmitter, filter modules, surge protection modules, relay modules, splice boxes, namely, laser range finders, and handheld locate receivers; pipeline current mapping systems, namely, multi-channel RF transmitter, filter modules, relay modules, splice boxes, namely, laser range finders, and handheld locate receivers, ball marker locators comprising signal transmitters, signal receivers and indicators; valve box locators, iron and steel locators, hand-held electronic amplification leak detectors, digital resistance cable fault locators, hand-held inductive probes, electromagnetic transmitters, hand-held underwater locators, sheath fault locators, fiber optic intercoms, time domain reflectometers, copper cable telecom loop analyzers, and directional drilling guidance control equipment, namely, transmitters, receivers, and distance measurement devices
Electrical and Scientific Apparatus