DRS DYNAMIC RESONANCE SYSTEMS INCORPORATED

ELASTIC MODULUS MEASUREMENT SYSTEM, NAMELY SCIENTIFIC TEST EQUIPMENT, USED FOR SCIENTIFIC RESEARCH USING ELASTIC WAVE TECHNOLOGY TO DETERMINE THE ELASTIC CONSTANTS OF MATERIALS AND FOR SCIENTIFIC RESEARCH; NON-DESTRUCTIVE TESTING-INSPECTION SYSTEM, NAMELY RESONANT ULTRASOUND SPECTROSCOPY (RUS) AND NONLINEAR ELASTIC WAVE SPECTROSCOPY (NEWS) TEST EQUIPMENT, USED FOR PROCESS CONTROL MEASUREMENT AND FOR IDENTIFYING DEFECTS IN MANUFACTURED PRECISION PARTS