ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,162, issued on May 27, was assigned to Hoffman Enclosures Inc. (Anoka, Minn.).
"Hygienic hole seal" was invented by Joseph D. Ricke (Arden Hills, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hole seal is provided that includes a plate having a surface configured to face away from an exterior side of an enclosure wall of the enclosure and a peripheral extension extending away from the surface toward the enclosure wall, a stud coupled to and extending away from the plate, a gasket having a first peripheral surface extending obliquely relative to an axis defined by the stud, and a retaining member configured to engage the enclosure wall of th...