Milling equipment is critical to the successful manufacturing of printing ink. Herman Hockmeyer, president of Hockmeyer Equipment Corporation, has played a leading role in developing state-of-the-art mills for inks since he joined the industry when he was 21.     “I became involved in the industry through our machinery business,” Hockmeyer said. “I have run the business since I was 26 years old. I was working in the business for five years prior to the death of my father and his partner.”    ...