Patent Over the years AMT & Harry Sanford applied for and where granted a number of US patents. They include: D0228757 AutoMag 23 Oct 19733780618 AutoMag 25 Dec 19733889574 AutoMag 17 June 1975D0316587 AutoMag II 32 Apr 1991D0342422 Eating Utensil 21 Dec 1993D0363107 Backup 10 Oct 1995