ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,182, issued on Oct. 14.
"Noise barriers and methods of their manufacture" was invented by James G. Thompson (Columbus, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a noise barrier wall panel that is lighter and more structurally sound than existing concrete noise barrier wall panels. The panel has a metal frame that is reinforced via metal strapping in key areas to prevent sagging. The panel has a plurality of layers forming a laminate that can be fixedly attached to the frame. A finish coating layer may have a plurality of designs, logos, symbols, or textures which may mimic building materials or scenery."
T...