Patents by Inventor Charles E. Amendt

Charles E. Amendt 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).

  • Cross laminated oriented plastic film with integral paperboard core
    Patent number: 7097895
    Abstract: A multi-layer lamination is formed from a core sandwiched between a first oriented plastic layer and a second oriented plastic layer. The orientations of the plastic layers cross at an angle between but not equal to zero degrees and 180 degrees relative to one another. A method for making the lamination is also disclosed.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: August 29, 2006
    Assignee: Illinois Tool Works Inc.
    Inventors: Charles E. Amendt, Christopher C. E. Barnes
  • Multi-layer films
    Patent number: 6284344
    Abstract: The present invention is directed to multi-layer films having three or more layers of bias-cut film where at least two layers have different machine direction angles. More specifically, the present invention is directed to cross laminated films with three or more bias-cut film layers each having a machine direction angle between 20° and 70°, where at least two layers have different direction angles.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: September 4, 2001
    Assignee: Illinois Tool Works Inc.
    Inventors: Christopher C. E. Barnes, Charles E. Amendt, Steven S. Nimz