Patents by Inventor David R. Shonnard

David R. Shonnard 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).

  • Modified luciferase
    Patent number: 7183092
    Abstract: The invention comprises modified luciferase proteins which are more resistant to inhibition by test chemicals than wild type luciferase. The modified luciferases also contain greater thermostability than wild type luciferase.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: February 27, 2007
    Assignee: Board of Control of Michigan Technological University
    Inventors: Eileen H. Kim Choi, David R. Shonnard, Irina V. Rybina