Patents by Inventor Britta Nagel

Britta Nagel 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).

  • Patent number: 5729320
    Abstract: Closely packed small particles dispersed in a liquid crystalline phase, whereby the particles can be moved toward one another by external influence, constitute a liquid crystalline medium permitting the generation of bistable images without the requirement of matching the indices of refraction of the components.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: March 17, 1998
    Assignee: Rudolf Eidenschink
    Inventors: Rudolf Eidenschink, Britta Nagel