ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,425, issued on June 3, was assigned to ROHR INC. (Chula Vista, Calif.).

"Multi-core acoustic panel for an aircraft propulsion system" was invented by Novin Aryafar (San Diego), Clare McGlory (San Diego) and Jose S. Alonso-Miralles (Chula Vista, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided for an aircraft propulsion system. This apparatus includes an acoustic panel and a mount. The acoustic panel includes a perforated face skin, a back skin, a perforated intermediate layer, a first cellular core and a second cellular core. The first cellular core includes a first section and a second section. The first section is betw...