ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,107, issued on Dec. 2, was assigned to Sennheiser electronic SE & Co. KG (Wedemark, Germany).

"Method and system for coordinated use of mobile radio frequencies" was invented by Axel Schmidt (Wedemark, Germany), Maria Dolores Perez-Guirao (Hannover, Germany), Konstantin Septinus (Hamburg, Germany) and Andreas Stefan Wilzeck (Gehrden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system with which a primary user, in particular a mobile radio operator, can make a part of the radio spectrum range which is reserved exclusively for the mobile radio operator available in localized and/or time-restricted fashion to a local end user w...