Method for locating a boring tool

Method for locating an inaccessible object having a magnetic fie

Method for locating and inspecting underground or other...

Method for near field electromagnetic proximity determination fo

Method for testing metal detectors

Method for the operation and for the evaluation of signals from

Method of and apparatus for determining if a buried current...

Method of and system for locating a single passive...

Method of estimating location and orientation of magnetic dipole

Method of finding an above-ground point in relation to an in-gro

Method of identifying a buried cable by applying a low frequency

Method, system and device for producing signals from a...

Methods and apparatus employing permanent magnets for marking, l

Methods and apparatus employing permanent magnets for marking, l

Methods employing permanent magnets for marking, locating, traci

Microwave reflection survey technique for determining depth and

Mine detecting device having a housing containing metal detector

Mine search coil simulator

Moling system including transmitter-carrying mole for detecting

MRI tunable antenna and system