Patents by Inventor Frank K. Leung

Frank K. Leung 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).

  • Methods and compositions for oral insulin delivery
    Publication number: 20020151467
    Abstract: Methods and compositions to deliver insulin to mammals in need thereof do not require injections but, because of special formulations, can be delivered orally or transdermally.
    Type: Application
    Filed: December 21, 2000
    Publication date: October 17, 2002
    Inventor: Frank K. Leung
  • Apparatus for thermographic examinations
    Patent number: 4548212
    Abstract: A method and apparatus for conducting thermographic examinations of localized portions of the body in which a localized area of the body is cooled. A liquid crystal film is affixed directly against the body and the localized area and film are re-cooled to a uniform temperature. The localized area of the body and the film are rewarmed and visual images appearing on the liquid crystal film, as surface temperatures increase through the sensitivity range of the film, are recorded.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: October 22, 1985
    Inventor: Frank K. Leung