Patents by Inventor Graeme J. Ogg

Graeme J. Ogg 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).

  • Packaging method and apparatus
    Patent number: 4926614
    Abstract: In its preferred form the invention comprises a method and apparatus for packaging products such as foodstuffs, whereby the product is held in flexible bag inside a chamber, and the bag is substantially evacuated and then filled with a gas such as carbon dioxide, with pressure in the chamber on the outside of the bag being reduced during the evacuation to prevent entrapment of air in the bag.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: May 22, 1990
    Assignee: RMF Steel Products Co.
    Inventors: Anthony W. Costello, Graeme J. Ogg, John C. McGregor