Patents by Inventor Stephen John Grace

Stephen John Grace 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).

  • Multiwall bag
    Patent number: 5718514
    Abstract: A container apparatus and method of manufacture for same, in which the container includes an inner tube formed of plastic material, and an outer tube of one or more plies of material. The container is generally configured to lie flat, when in its unfilled condition. The container has a flat first end formed from flap members configured from one or more plies of the outer tube. The container is advantageously configured to enable opening of the first end of the outer tube to provide access to the inner tube.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: February 17, 1998
    Assignee: Stone Container Corporation
    Inventors: Raymond George Steele, Stephen John Grace, John Frederick Robinson, Andreas Karl Haussrer, Eric John Brown, Michael John Kane, Allan Paul MacFarlane, Ian Murray Allerby
  • Multiwall bag
    Patent number: 5644900
    Abstract: A container apparatus and method of manufacture for same, in which the container includes an inner tube formed of plastics material, and an outer tube of one or more plies of material. The container is generally configured to lie flat, when in its unfilled condition. The container has a flat first end formed from flap members configured from one or more plies of the outer tube. The container is advantageously configured to enable opening of the first end of the outer tube to provide access to the inner tube.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 8, 1997
    Assignee: Stone Container Corporation
    Inventors: Raymond George Steele, Stephen John Grace, John Frederick Robinson, Andreas Karl Haussrer, Eric John Brown, Michael John Kane, Allan Paul MacFarlane, Ian Murray Allerby