ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,458, issued on Sept. 30, was assigned to Delta Engineering Corp. (Newark, Del.).

"Non-destructive testing of composite components" was invented by Isabel McBrayer (Flagler Beach, Fla.), Fady F. Barsoum (Oviedo, Fla.), Dallas Nagle (Dover, Del.) and Benjamin Stanford (Tolland, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes systems, methods, and an apparatus for non-destructively assessing composites. The behavior of propagating elastic waves through a structure can provide significant information on the structure and has thus been studied extensively for development of structural monitoring techniques. In thin plates ...