Patents by Inventor Chris E. Isbell

Chris E. Isbell 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).

  • Patent number: 5447333
    Abstract: A customized insert sheet is laminated by heat and pressure between a plastic cover sheet and a major portion of a folder sheet. A heat activatable adhesive strip may thereafter be applied to an adhesive strip receiving channel adjacent a side edge of the plastic cover sheet, and edge portions of a stack of sheets may then be affixed to the adhesive strip receiving channel by heating the adhesive strip. The cover sheet is affixed to a side edge portion of the folder sheet to reduce wrinkling of the cover sheet upon lamination.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: September 5, 1995
    Assignee: Avant, Incorporated
    Inventors: Roger J. Kuhns, Chris E. Isbell, Robert L. Nathans