Patents by Inventor John F. Hewetson

John F. Hewetson 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).

  • Deglycosylated ricin toxin a-chain vaccine
    Patent number: 7351435
    Abstract: The present invention relates to a vaccine comprising deglycosylated ricin toxin A-chain and method for making and using the composition.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: April 1, 2008
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert W. Wannemacher, John F. Hewetson
  • Deglycosylated ricin toxin a-chain vaccine
    Publication number: 20030180308
    Abstract: The present invention relates to a vaccine comprising deglycosylated ricin toxin A-chain and method for making and using the composition.
    Type: Application
    Filed: September 24, 2001
    Publication date: September 25, 2003
    Inventors: Robert W. Wannemacher, John F. Hewetson