ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,918, issued on Aug. 18, was assigned to Carlson Pet Products Inc. (Longboat Key, Fla.).

"Latch apparatus with independent identical opposing latches" was invented by Mark A. Flannery (Longboat Key, Fla.), Brian M. McMahon (Palatine, Ill.), Caleb Summers (Saint Louis Park, Minn.) and Brian G. Linehan (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present latch apparatus includes a swinging piece having first and second independent latches or sliders sliding in first and second slots. The first and second sliders slide independently of each other. The first and second sliders engage an undersurface of an extension of a first obj...