Patents by Inventor Mark Dinnewith

Mark Dinnewith 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).

  • Patent number: 7841664
    Abstract: According to the present invention, a control system for a chair is provided. The control system is comprised of first and second resilient blocks, first and second stabilizing members and first and second rockers. The first stabilizing member has first and second ends and defines a first horizontal axis. The first end of the first stabilizing member extends into the first resilient block and the second end of the first stabilizing member extends into the second resilient block. The second stabilizing member is coupled to the first stabilizing member by a connector. The second stabilizing member has first and second ends and defines a second horizontal axis disposed in parallel to the first horizontal axis. The first end of the second stabilizing member is operably coupled to the first rocker, and the second end of the second stabilizing member is operably coupled to the second rocker.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: November 30, 2010
    Assignee: Steelcase Inc.
    Inventors: Russell Holdredge, Christopher Norman, Kurt Heidmann, Brian H. Root, Mark Dinnewith
  • Publication number: 20090302649
    Abstract: According to the present invention, a control system for a chair is provided. The control system is comprised of first and second resilient blocks, first and second stabilizing members and first and second rockers. The first stabilizing member has first and second ends and defines a first horizontal axis. The first end of the first stabilizing member extends into the first resilient block and the second end of the first stabilizing member extends into the second resilient block. The second stabilizing member is coupled to the first stabilizing member by a connector. The second stabilizing member has first and second ends and defines a second horizontal axis disposed in parallel to the first horizontal axis.
    Type: Application
    Filed: June 4, 2008
    Publication date: December 10, 2009
    Inventors: Russell Holdredge, Christopher Norman, Kurt Heidmann, Brian H. Root, Mark Dinnewith