75728422
Jun 14, 1999
ELECTRICAL DEVICES AND SYSTEMS, NAMELY-- WEIGHT SENSORS, VIBRATION SENSORS, DISPLACEMENT SENSORS, SEISMOGRAPHS, AND COMPUTERS, FOR MEASURING AND RECORDING MOTION OF, AND REACTIONS WITHIN, STRUCTURES AND THEIR COMPOSITE ELEMENTS, AND THE INTEGRITY OF THOSE STRUCTURES; AND, FOR THE DETECTION, CLASSIFICATION, WEIGHING, IDENTIFICATION, AND TRACKING OF VEHICLES, PEDESTRIANS, EARTH SLIDES AND OTHER SUCH FORCING EVENTS
Electrical and Scientific Apparatus