Patents by Inventor Donald F. Amend

Donald F. Amend 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).

  • Immersion vaccine for enteric redmouth
    Patent number: 4287179
    Abstract: The invention involves the immunizing of fish against Enteric Redmouth by immersing the fish in a vaccine prepared from killed organisms of Y. ruckeri.
    Type: Grant
    Filed: January 10, 1980
    Date of Patent: September 1, 1981
    Assignee: Tavolek Inc.
    Inventor: Donald F. Amend