ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,278, issued on Feb. 17, was assigned to Shielded Opening Solutions LLC (Sterling, Va.).

"Electromagnetic shielding and acoustic attenuation door system" was invented by James William Starr (Sterling, Va.) and William Hugus (Greensburg, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An EMI shielding and acoustic attenuation door frame and door system, including: a door connected to a door frame with a hinge, the door including a bottom portion having a plate, a door gasket, a door sponge, and conductive tape for grounding the door; the door frame including: a jamb section including: a jamb main frame; a jamb back frame; wherein the jamb main fram...