Posted on June 25, 2019June 26, 2019 by admin — Leave a comment1970 Rudolf Läderach patents the revolutionary concept to produce thin walled truffles hollow spheres Post navigationPrevious post: 1962Next post: 1981 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.