Patents by Inventor Richard Charles Allen

Richard Charles Allen 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).

  • Polarization rotators, articles containing the polarization rotators, and methods of making and using the same
    Publication number: 20030089956
    Abstract: Polarization rotators contain (i) a polarizer element or other polarization rotating element and (ii) a separate polarization rotator element. Articles containing the polarization rotators can be formed.
    Type: Application
    Filed: September 27, 2001
    Publication date: May 15, 2003
    Inventors: Richard Charles Allen, Christopher C. Bowley, Stephan John Pankratz, Philip Edwin Watson
  • Methods of making polarization rotators and articles containing the polarization rotators
    Publication number: 20030090012
    Abstract: Polarization rotators can be formed to contain (i) a polarizer element or other polarization rotating element and (ii) a separate polarization rotator element. Articles containing the polarization rotators can be formed.
    Type: Application
    Filed: September 27, 2001
    Publication date: May 15, 2003
    Inventors: Richard Charles Allen, Christopher C. Bowley, Stephen John Pankratz, Philip Edwin Watson