Patents by Inventor Kenneth Stuart Duff

Kenneth Stuart Duff 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).

  • Center pull tissue dispenser and related mechanism
    Patent number: 7275655
    Abstract: A center pull tissue dispenser having an openable enclosure, and a base member located within the enclosure to support a coreless roll of towel material. The end face of the roll is placed on the same base member, and an opening in a wall of the openable enclosure defining member allows dispensing of the towel material. Downstream of the support of the roll by the base there is provided a dispensing adjustment mechanism. This includes, a passageway through which the towel can pass, and a passageway restriction controlling member that is movable relative to the passageway.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: October 2, 2007
    Assignee: Durolla Products (NZ) Limited
    Inventor: Kenneth Stuart Duff