Patents by Inventor Craig L. Sandford

Craig L. Sandford 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).

  • Multilayer stretch/shrink film
    Patent number: 5460861
    Abstract: This invention relates to an improved biaxially oriented heat shrinkable multilayer film, a hermetically sealed and evacuated trayed food package wherein the film is used as a stretched heat shrunk overwrap and a method for sealing and wrapping such packages.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: October 24, 1995
    Assignee: Viskase Corporation
    Inventors: Stephen J. Vicik, Craig L. Sandford