Patents by Inventor Kirsten A. Grueneberg

Kirsten A. Grueneberg 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).

  • Liquid crystal composition and alignment layer
    Patent number: 6156232
    Abstract: A surface for the alignment of liquid crystals containing directionally-linked groups and compounds useful for preparing such surfaces are disclosed.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: December 5, 2000
    Assignees: Geo-Centers, Inc., The United States of America as represented by the Secretary of the Navy
    Inventors: Ranganathan Shashidhar, Kirsten A. Grueneberg, Banahalli R. Ratna, Jeffrey M. Calvert, Joel M. Schnur, Mu-San Chen