ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,986, issued on May 13, was assigned to DMF Inc. (Carson, Calif.).

"Bar hanger assembly with crossmembers and housing assemblies using same" was invented by Bao Khoa Vinh (Garden Grove, Calif.), Frederick William Kopitzke (Long Beach, Calif.) and Amir Lotfi (Redondo Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A housing assembly includes a housing to support one or more components of a lighting system or an electrical system, a caddy-type bar hanger assembly to facilitate installation onto support structures in the environment, and one or more bar hanger holders or a pan frame to couple the bar hanger assembly to the housing. In parti...