Patents by Inventor Andrew W. Heath

Andrew W. Heath 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: 5356622
    Abstract: A vaccine for protecting avian and mammalian subjects against flea infestation comprises the supernatant fraction of flea midgut, or the antigenic components thereof. This also has the effect of reducing flea populations in the environment of the subject. Antibodies raised by these vaccines are also useful in purification and diagnosis.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: October 18, 1994
    Assignee: Paravax, Inc.
    Inventors: Andrew W. Heath, Miles Yamanaka, Ann Arfsten, Beverly Dale