ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,681, issued on Nov. 18, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Damper for an electronic equipment rack" was invented by Chad Albertson (Rochester, Minn.), Eric J. Campbell (Rochester, Minn.), Nicholas Ollerich (Rochester, Minn.) and Kevin O'Connell (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a damper system for an electronic equipment rack. The damper system may include an electronic equipment rack, a battery back-up unit, and a plurality of rails disposed within the electronic equipment rack. The battery back-up unit is slidably secured to the plurality of rails and tuned to dampen se...