ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,373, issued on March 25, was assigned to Outdoor Wireless Networks LLC (Richardson, Texas).

"Dual-beam sector antenna and array" was invented by Igor E. Timofeev (Dallas), Martin L. Zimmerman (Chicago), Huy Cao (Garland, Texas) and Yanping Hua (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low sidelobe beam forming method and dual-beam antenna schematic are disclosed, which may preferably be used for 3-sector and 6-sector cellular communication system. Complete antenna combines 2-, 3- or 4-columns dual-beam sub-arrays (modules) with improved beam-forming network (BFN). The modules may be used as part of an array, or as an independe...