In a continuing pursuit to develop and introduce better technology to media milling, Hockmeyer Equipment has received notice that its fifth patent covering immersion mill enhancement has been granted by the U.S. government. Patent Number 7,559,493 covers the deterrence of wear at a bearing construct in a basket media mill.      The device involves the introduction of slots in the rotating peg hub within the basket. As the hub rotates, centrifugal force pulls the media and feedstock away from t...