ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,957, issued on April 7, was assigned to VM Consolidated Inc. (Mesa, Ariz.).

"Sliding transponder shield box" was invented by James Dean Stahl (Nyack, N.Y.), Michael Wayne Ries (Gilbert, Ariz.) and Warren Matthew Larson (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shield box is provided for a toll transponder. The shield box may selectively shield thee toll transponder. The shield box may include a case that is securable to a vehicle windshield. At least a portion of the case may include a shielding material. The shield box may further include a tray configured to slide into and out of the case. The tray may support the toll tr...