ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,274, issued on Jan. 27, was assigned to The Boeing Co. (Arlington, Va.).

"Track transition systems for waveguide assemblies and related methods" was invented by Neil E. Haines (Renton, Wash.), Aaron M. Imlah (Seattle) and Stephen Moore (Maple Valley, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transition system for a waveguide assembly may include first and second track transition elements engaged with the waveguide assembly, and positioned on either side of a track gap between first and second track segments of the waveguide assembly. Trolley slide plates may be fixed to a mobile trolley of the waveguide assembly. As the trolley is moved...