US Patent Issued to Subduct Riser Manufacturing on June 3 for "Parallel-walled ventilation duct assembly with integrated low-profile subducts" (Texas, New Jersey Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,542, issued on June 3, was assigned to Subduct Riser Manufacturing LLC (Southlake, Texas).

"Parallel-walled ventilation duct assembly with integrated low-profile subducts" was invented by Timothy Edward McNulty (Southlake, Texas), Thaddeus James Rohskopf (Fort Worth, Texas) and Brian William Ryglewicz (Glen Rock, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A parallel-walled ventilation duct assembly with integrated low-profile subducts, and/or methods of manufacturing the assembly are provided. The assembly of embodiments includes a main shaft body defined by at least one wall surrounding an interior cavity and at least one low-profile subduc...