Patents by Inventor Leonard H Evans

Leonard H Evans 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: 6709811
    Abstract: A method for detecting broad spectrum of murine leukemia viruses belonging to any or all of the ecotropic, xenotropic, polytropic and amphotropic groups, has been described. The method utilizes a monoclonal antibody designated 83A25 which identifies almost all classes or groups of the murine leukemia virus with only a few exceptions.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: March 23, 2004
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Leonard H Evans, William J Britt