ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,735, issued on Dec. 9, was assigned to Rentokil Initial 1927 PLC (Crawley, Great Britain).

"Rodent-proof barrier material and a method of manufacturing a rodent-proof barrier material" was invented by Gary Wingett (Southampton, Great Britain), Mark Brown (Prestatyn, Great Britain) and Robert Shand (Copthorne, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rodent-proof barrier material comprising a settable carrier medium and a plurality of filaments dispersed within the settable carrier medium. Each filament of the plurality of filaments comprises a central curved portion and first and second end portions."

The patent was filed on No...