ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,425, issued on June 10, was assigned to SONOVUM GMBH (Leipzig, Germany).

"Method for examining materials using acoustic spectroscopy" was invented by Miroslaw Wrobel (Karlstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for examining biological and non-biological materials via acoustic spectroscopy includes an ultrasonic transmission device and an ultrasonic reception device for receiving a reflected and/or transmitted ultrasonic reception signal after said signal has passed through the material to be examined. The transmission device transmits ultrasonic transmission signals having different frequencies and the reception devic...