ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,109, issued on May 19, was assigned to SCHROTH SAFETY PRODUCTS LLC (Pompano Beach, Fla.).

"Chamber adjustable stiffness airbag" was invented by Patrick Akoma (Pompano Beach, Fla.), Manuel Marroquin (Pompano Beach, Fla.) and Kasey Garces (Coconut Creek, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a multiple-chamber airbag structure where the airbag design has at least a stiff lower section to reduce the chest velocity and a soft upper section to meet the HIC requirements. Although stowed and deployed as a unitary airbag, the present invention includes separate chambers, which allows for independent gas inflation...