ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,985, issued on Aug. 11, was assigned to EZ-Duct Inc. (Warren, Mich.).

"Duct assemblies" was invented by Philip Simon (St. Clair Shores, Mich.), Timothy N. Thomas (Warren, Mich.) and Chad Edens (New Baltimore, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A duct assembly, to house and route utilities for example in floors, walls and overhead spaces, including a plurality of tracks connected together with a plurality of joint bars, where each track includes a bottom side, opposed side walls separated by a central wall and an open top. The assembly includes a shelf support partway along the wall between the bottom side and the open top to suppor...