Patents by Inventor Nelson Henry Ludwig

Nelson Henry Ludwig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stabilization method
    Patent number: 4048268
    Abstract: A method of preparing an antibiotic composition which imparts stability to the antibiotic when used in an animal feed.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: September 13, 1977
    Assignee: Eli Lilly and Company
    Inventor: Nelson Henry Ludwig