ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,428, issued on Feb. 4.
"Portable antenna system for improving radio coverage" was invented by Karl F. Scheucher (Waite Hill, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An In-Building Communications system is disclosed which permits communication in tunnels, underground parking garages, tall buildings such as skyscrapers, buildings having thick walls of concrete or metal, and/or any building which has communication dead zones. The invention includes a portable bi-directional amplifier (BDA) system, an outdoor antenna system attached to the building or independently mountable, an indoor antenna system attached to the building or independently ...