Patents by Inventor Eugene David Herrmann

Eugene David Herrmann 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: 7369192
    Abstract: An embodiment of a method of making an optical film comprises heating the optical film comprising greater than or equal to 80 wt. % polycarbonate to a sufficient temperature to stretch the optical film, wherein the weight percent is based on a total weight of the optical film; and stretching the optical film. A resulting stretched optical film has a linear CTE measured in a direction parallel to a stretching direction of less than or equal to 50×10?6 cm/cm/° C.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: May 6, 2008
    Assignee: General Electric Company
    Inventors: Nickey Ambrose, Grant Hay, Eugene David Herrmann, Karkala Arun Kumar, Philip Matthew Peters, Joe Riello
  • Patent number: 7280170
    Abstract: A method of making an optical film comprises heating the optical film comprising greater than or equal to 80 wt. % polycarbonate to a sufficient temperature to stretch the optical film, wherein the weight percent is based on a total weight of the optical film; and stretching the optical film, wherein a resulting stretched optical film has a linear CTE measured in a direction parallel to a stretching direction of less than or equal to 50×10?6 cm/cm/° C.
    Type: Grant
    Filed: July 20, 2004
    Date of Patent: October 9, 2007
    Assignee: General Electric Company
    Inventors: Nickey Ambrose, Grant Hay, Eugene David Herrmann, Karkala Arun Kumar, Philip Matthew Peters, Joe Riello
  • Patent number: 7147906
    Abstract: In one aspect the present invention provides a storage medium for data, the storage medium comprising: a) a substrate, a physical portion of which comprises at least one polyimide, and b) at least one data layer on the substrate. The substrate comprising a polyimide exhibits low axial displacement and beneficial damping characteristics.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: December 12, 2006
    Assignee: General Electric Company
    Inventors: Eugene David Herrmann, James Anthony Cella, John Bradford Reitz, Racid Kerboua, Irene Dris