ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,213, issued on Oct. 21, was assigned to TDR Systems Inc. (Waldorf, Md.).
"Debris chute assembly" was invented by Chad Helmer (Battle Ground, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A debris chute assembly for removing debris from a height during construction or similar activity includes a scaffold, a plurality of wall members, and a plurality of corner members. The wall members hang on ledgers of the scaffold in tubular sections which align with each other. The corner members attach to standards of the scaffold and retain the wall members in fixed positions with respect to the scaffold. Various embodiments of corner members are provided...