Patents by Inventor Amy C. Graham

Amy C. Graham 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).

  • Patent number: 4440748
    Abstract: A new strain of Escherichia coli which is enteropathogenic to both calves and piglets is produced by bacterial conjugation of two parents, one enteropathogenic solely to calves and one enteropathogenic solely to piglets. The new strain is useful in the preparation of a vaccine for use in both calves and piglets to prevent colibacillosis.
    Type: Grant
    Filed: April 3, 1982
    Date of Patent: April 3, 1984
    Assignee: Merck & Co., Inc.
    Inventor: Amy C. Graham