ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,544, issued on June 3, was assigned to BT GRACE HOMES INC. (Magnolia, Texas).

"Dust cover and method of use to protect HVAC equipment from dust and debris" was invented by Kevin R. McGuire (Magnolia, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Dust covers for use in protecting HVAC equipment from dust and debris during construction are disclosed. A dust cover may include a main body member having an upper surface and an annular wall extending downwardly away from the upper surface; and a plurality of flexible tabs extending downwardly from the annular wall. The flexible tabs may include an upper transverse groove and a lower transverse groov...