Patents by Inventor Stephen William Birtles

Stephen William Birtles 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).

  • Publication number: 20130233497
    Abstract: A blind assembly including a Roman blind sheet secured at one end thereof to a headrail, wherein the Roman blind sheet carries a plurality of horizontal bars arranged in a spaced relationship; and a roller blind sheet secured at one end thereof to a roller tube rotatably coupled to the headrail, the roller blind sheet including at the opposite end thereof a bottom bar, wherein the roller blind bottom bar is coupled to the Roman blind sheet such that rotation of the roller tube causes the roller blind sheet to be raised or lowered and a consequent raising or lowering of the Roman blind sheet.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 12, 2013
    Inventor: Stephen William Birtles