Patents by Inventor Werner E. L. Haas

Werner E. L. Haas 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).

  • Imaging system
    Patent number: 3936640
    Abstract: Method and apparatus for maintaining the conductance of liquid crystalline compositions comprising pure transstilbene liquid crystalline materials at a level sufficient to allow dynamic scattering of the composition.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: February 3, 1976
    Assignee: Xerox Corporation
    Inventors: Werner E. L. Haas, Joseph F. Stephany