Patents by Inventor Steven G. Oliphant

Steven G. Oliphant 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).

  • Multiply bag with tear strip opening mechanism
    Patent number: 6213644
    Abstract: A multiply bag and method of forming the same in which the inner ply of the bag has a longitudinal extending tear strip assembly grippable by the user to facilitate opening of the bag.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: April 10, 2001
    Assignee: International Paper Company
    Inventors: Tony Henderson, Steven G. Oliphant, John R. Allen