Patents by Inventor Louis B. Beck

Louis B. Beck 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).

  • Detachable coupon for laminated corrugated packaging material and method of manufacture
    Patent number: 5021274
    Abstract: Laminated packaging material includes a corrugated inner ply, a paperboard outer ply having a detachable coupon portion outlined with a perforated die cut, an adhesive between facing surfaces of the outer ply and the corrugated inner ply for adhering the facing surfaces to one another, and an adhesion-preventing agent on the detachable coupon portion of the facing surface of the outer ply for preventing adhesion of the detachable coupon portion to the corrugated inner ply. The laminated packaging material may be manufactured according to a first sequence of steps wherein the adhesion preventing agent is applied to the detachable coupon before the detachable coupon is outlined with a perforated die cut, and the adhesive is applied only to the corrugated inner ply.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: June 4, 1991
    Assignee: Union Camp Corporation
    Inventors: Louis B. Beck, Joseph C. Beck