ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,406, issued on March 17, was assigned to Superior Industries Inc. (Morris, Minn.).

"Jaw crusher systems, methods, and apparatus" was invented by Ed Sauser (Morris, Minn.) and Grant Holmes (Morris, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods and apparatus are provided for crushing rock. In some embodiments a toggle feature of a jaw crusher is in tension during operation. In some embodiments a lower portion of the moveable jaw moves simultaneously moves closer to the stationary jaw and forward along said first direction. In some embodiments, a direction along which material moves between the moveable and stationary jaws is c...