ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,253, issued on Feb. 24, was assigned to THE BOEING COMPANY (Arlington, Va.).
"Telescoping secondary barrier system" was invented by Robert Dowdell (Everett, Wash.), Emmanuel A. Garcia (Mukilteo, Wash.), Christopher B. Singleton (Bothell, Wash.) and Joshua Yu-Hu Lee (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary barrier system for an aircraft includes a secondary barrier gate including a telescoping structure is disclosed. The secondary barrier gate may include a plurality of crossmembers, and at least one of the plurality of crossmembers may include a panel treatment. The secondary barrier gate is rotatable between a stowed posi...