ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,405, issued on June 23, was assigned to POLYPIPE Ltd. (Leeds, Great Britain).

"Modular access chamber and method of assembly" was invented by Graeme Pringle (Merseyside, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular access chamber, shown generally at 1000, is suitable for providing access to underground services (not shown), such as telecommunications cable systems and the like, and is designed to be supplied in component form, for assembly on site. The chamber may be constructed to be of different depths and is generally rectangular in plan, comprising first and second types of connectable wall portions, 1100 and 1200 and a...