Patents by Inventor Douglas A. East

Douglas A. East 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).

  • Method for preparing silicone mold tooling
    Patent number: 5380478
    Abstract: The present invention relates to spraying of high viscosity silicone molding compositions and to cured silicone molds or tools formed by that process that allow for near perfect transfer of detail from a surface to a molded object.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: January 10, 1995
    Inventor: Douglas A. East
  • Method for preparing silicone mold tooling
    Patent number: 5326521
    Abstract: The present invention relates to spraying of high viscosity silicone molding compositions and to cured silicone molds or tools formed by that process that allow for near perfect transfer of detail from a surface to a molded object.
    Type: Grant
    Filed: May 26, 1993
    Date of Patent: July 5, 1994
    Inventor: Douglas A. East