ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,997, issued on June 10, was assigned to BMIC LLC (Dallas).

"Steep slope roofing system" was invented by Ming Shiao (Basking Ridge, N.J.) and Erica Sherman (Jersey City, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system comprises at least one steep slope roof substrate having a first region. In some embodiments, the first region comprises a plurality of shingles. In some embodiments, each of the plurality of shingles comprises at least one antimicrobial agent. In some embodiments, the at least one steep slope roof substrate also comprises ...