ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,257, issued on March 4.
"Modular building interior and exterior material unit" was invented by Chang Yoon Shin (Gwangju, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a modular building interior and exterior material unit which is combined to neighboring modular building interior and exterior material units to be used as an interior and exterior material in a building. The modular building interior and exterior material unit includes a pair of vertical frames which are symmetric, spaced apart from each other, and include seating frames at the side thereof which are protruded in a longitudinal direction, wherein the seating f...