DENVER, Col. (July 12)—Tomkins P.L.C. has named Richard Bell the president of its Gates Rubber Co. subsidiary. In addition to the new responsibilities he took on in May, he has retained his position as president of Gates Global Power Transmission Division. Bell, a native of Scotland, joined Gates in 1987 with its Uniroyal acquisition. He held numerous positions with Gates' Australian and German operations before joining the U.S. operations in 1996.