ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,252, issued on June 23, was assigned to Roblox Corp. (San Mateo, Calif.).

"Challenge interface for web services" was invented by Luke Fu (San Mateo, Calif.), Lirui Li (San Mateo, Calif.), Victor Reynolds (San Mateo, Calif.), Sanjay Kannan (San Mateo, Calif.), Justin Bartee (San Mateo, Calif.), Xueying Wen (San Mateo, Calif.) and Shawn George (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application describes a no coding integration approach for any web service by using a challenge interface as a middleware intermediate between a public application programming interface (API) and a challenge service so that any changes made in...