Patents by Inventor Stephen D. Blake

Stephen D. Blake 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).

  • Composite lamination film for electrophoretically toned images
    Patent number: 4234644
    Abstract: A composite lamination film for electrophoretically toned images deposited on a plastic receptor sheet, comprising, in combination, an optically transparent, flexible support layer, an optically transparent, flexible intermediate layer of a heat softenable film applied to one side of said support layer, and an optically transparent, flexible adhesive layer of a heat softenable film applied to the free side of said intermediate layer, said adhesive layer having good adhesion to said intermediate layer, said receptor sheet and said toned images deposited on said receptor sheet, the laminate thereof and the process for producing the laminate.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: November 18, 1980
    Assignee: Xonics, Inc.
    Inventors: Stephen D. Blake, Katherine J. Lewis
  • Electrostatic fountain developer
    Patent number: 4044718
    Abstract: A fountain for moving liquid toner into engagement with a receptor for developing an electrostatic image into a visible image. A fountain for providing improved edge enhancement in an image, and incorporating an electrode positioned at the bottom of a liquid toner pool formed by electrical insulating end, side and bottom members.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: August 30, 1977
    Assignee: Xonics, Inc.
    Inventors: Stephen D. Blake, Emil M. Kaegi, Eric P. Muntz, Murray S. Welkowsky