Patents by Inventor Thomas Harvey Grierson

Thomas Harvey Grierson 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: 6341190
    Abstract: A polymer thin film and method of making the thin film, the thin film having at least one polymeric structure for use as an organic optical component. The thin film includes a first layer of an optically transmissive first polymer having a first refractive index, and having a surface in which is defined at least one retaining feature, an optically transmissive UV curable second polymer retained within the retaining feature, the second polymer having a second refractive index which is greater than the first refractive index, and an overlay of the second polymer having a thickness in the range 0.001 &mgr;m to 1.5 &mgr;m over the surface of the first layer.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: January 22, 2002
    Assignee: Epigem Limited
    Inventors: Philip Summersgill, Thomas Harvey Grierson, Timothy George Ryan, Neil Carter