Patents by Inventor Robert Hutchins Olson

Robert Hutchins Olson 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).

  • Bag closure
    Patent number: 4051994
    Abstract: A lay flat thermoplastic bag construction having an integral closure means comprising a strip of metallic foil which is secured to one of the bag walls adjacent the open mouth of the bag.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: October 4, 1977
    Assignee: Mobil Oil Corporation
    Inventors: Daniel Lawrence Donk, Robert Hutchins Olson