ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,939, issued on Sept. 23, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Actuator for generating compound curvature" was invented by Andrew John Ouderkirk (Kirkland, Wash.), Spencer Allan Wells (Seattle), Renate Eva Klementine Landig (Seattle), Kenneth Alexander Diest (Kirkland, Wash.), Christopher Stipe (Woodinville, Calif.), Robin Sharma (Woodinville, Calif.), Jo Anne Etter (Kirkland, Wash.), Nagi Hosni Elabbasi (Southborough, Mass.) and James Howard Thomas Ransley (Medford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An actuator includes a primary electrode, a secondary electrode overlapping at least a portion of ...