Muller Martini and its sister company, Muller Martini Mailroom Systems, also filed suit against the Goss companies in the U.S.District Court of Delaware for infringement of a control system patent.

• 穆勒马提尼和其姊妹公司，穆勒马提尼邮件收发系统，也提起了诉讼，反对戈斯公司在美国地区法院的特拉华州为侵犯控制系统的专利。