Patents by Inventor Wallace I. Piepho

Wallace I. Piepho 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: 5285956
    Abstract: A paperboard container is provided with a plurality of internal vertically extending triangular-shaped columns and on the top edges of the columns there is a design feature which allows the edges to be relieved thereby forming inclined edges to reduce package tearing or product damage. The inclined edge can be provided either when the container is erected by a machine or later by hand depending upon the selected design.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: February 15, 1994
    Assignees: Weyerhaeuser Company, IBP, Inc.
    Inventor: Wallace I. Piepho
  • Patent number: 5261594
    Abstract: A paperboard container is provided with a plurality of internal vertically extending triangular-shaped columns and on the top edges of the columns there is a design feature which allows the edges to be relieved thereby forming inclined edges to reduce package tearing or product damage. The inclined edge can be provided either when the container is erected by a machine or later by hand depending upon the selected design.
    Type: Grant
    Filed: January 3, 1992
    Date of Patent: November 16, 1993
    Inventors: James M. Brown, Wallace I. Piepho