ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,897, issued on Oct. 20.

"Trailer chain tensioning system" was invented by Robert Rydalch (Middleton, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety chain tensioner and mounting system includes a safety chain tensioner including a tension element such as a spring, tension spring, compression spring, rotary spring or the like that keeps a relatively constant, and dynamically/automatically adjustable tension on the safety chain such that any potential slack in the safety chains is automatically taken up by the relatively constant, and dynamically/automatically adjustable, tension on the safety chain provided by the safety chain tensioner...