ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,472, issued on July 15, was assigned to Pivotal Commware Inc. (Bothell, Wash.).

"Switchable patch antenna" was invented by Jay Howard McCandless (Alpine, Calif.), Eric James Black (Bothell, Wash.) and Isaac Ron Bekker (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switchable patch antenna comprises a planar conductor having an aperture (hole) formed in the middle of the planar conductor. Radiation of a sinusoidal signal is controlled by comparison of separate impedance values for two components that have separate impedance values. Each of the two components have one end coupled together at the terminal positioned at a center of the ap...