Patents by Inventor Stephen L. Frazier

Stephen L. Frazier 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).

  • Closure for gable top container
    Patent number: 5176308
    Abstract: The top seal of a gable top container prepared from sheet material is improved by leaving tufts of sheet material attached at staggered intervals along the upper edges of the inner rib panels. When the top of the container is sealed, the gap normally found in the area above the inner rib panels and the sealing flaps is closed when the tufts become aligned.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: January 5, 1993
    Assignee: Westvaco Corporation
    Inventor: Stephen L. Frazier
  • Method for bonding pour spouts to containers
    Patent number: 5088643
    Abstract: The polymer coated exterior of a paperboard container used to package liquid products is selectively treated with a flame or corona to raise the surface tension in the areas which are intended to accept ink while eliminating or canceling any surface treatment in the region where a pour spout fitment is to be bonded to the container.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: February 18, 1992
    Assignee: Westvaco Company
    Inventors: Stephen L. Frazier, James A. Hiller