76418269
Jun 10, 2002
Oct 26, 2004
LINE LOCATORS, NAMELY, PORTABLE ELECTRONIC INSTRUMENTS THAT FUNCTION AS ELECTROMAGNETIC [ OR ACOUSTIC DEVICE] * DEVICES * FOR LOCATING BURIED PIPES AND CABLES; LINE ILLUMINATORS AND TRANSMITTERS, NAMELY, PORTABLE ELECTRONIC INSTRUMENTS THAT FUNCTION AS ELECTROMAGNETIC [ OR ACOUSTIC ] DEVICE THAT IMPRESS SIGNALS OR UNDERGROUND PIPES AND CABLES TO ENABLE THE SAME TO BE LOCATED [ ;LEAK DETECTION EQUIPMENT, NAMELY, PORTABLE ELECTRONIC INSTRUMENTS THAT DETECT AND IDENTIFY FLUID OR GAS LEAKS IN BURIED PIPES; GROUND PENETRATING RADAR, NAMELY, RADAR THAT DETECTS UNDERGROUND PIPES AND CABLES; ACOUSTIC IMAGING EQUIPMENT, NAMELY, PORTABLE ELECTRONIC INSTRUMENTS THAT FORM IMAGES OF UNDERGROUND STRUCTURES UTILIZING SOUND EMISSIONS; AND UNDERGROUND IMAGING EQUIPMENT, NAMELY, PORTABLE ELECTRONIC INSTRUMENTS THAT UTILIZE ELECTROMAGNETIC ENERGY FOR GENERATING IMAGES OF UNDERGROUND STRUCTURES ]
Electrical and Scientific Apparatus