75504319
Jun 18, 1998
Oct 24, 2000
Active Trademark
Subsurface imaging instruments used for subsurface detection, water content determination, material property monitoring, rock mechanics and building structure monitoring and failure detection, cable failure detection, level detection, plus parts therefore, namely, transmitters, receivers, antennas, transducers, signal processors, signal displays, and signal processing software for data filtering and enhancing and controlling instrument operation
Electrical and Scientific Apparatus