ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,708, issued on June 30, was assigned to F5 Inc. (Seattle).

"Encrypted interstitial techniques for web security" was invented by Kevin Gibbons (Sunnyvale, Calif.), Madhukar Nagaraja Kedlaya (Fremont, Calif.), Claire Madison Schlenker (San Francisco), Timothy Disney (Pacifica, Calif.) and Nitish Kishore Khadke (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, non-transitory computer readable medium, device and system intercepts a request for a webpage including a protected resource. The request is sent from a client device to a server device. One or more link tags or other mechanisms corresponding to one or more sub-resou...