Patents by Inventor Marshall L. Grant

Marshall L. Grant 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).

  • Publication number: 20120014999
    Abstract: Disclosed herein are diketopiperazine microparticles having a specific surface area of less than about 67 m2/g. The diketopiperazine microparticle can be fumaryl diketopiperazine and can comprise a drug such as insulin.
    Type: Application
    Filed: June 11, 2010
    Publication date: January 19, 2012
    Inventors: Marshall L. Grant, Grayson W. Stowell, Paul Menkin