Patents by Inventor Mark Andrew Gribble

Mark Andrew Gribble 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).

  • Locking damper positioner
    Publication number: 20120071083
    Abstract: A damper positioner includes a lead screw to move the damper blade and a screw lock selectively engageable with the screw to permit rotation of the screw but prevent unintended rotation.
    Type: Application
    Filed: September 21, 2010
    Publication date: March 22, 2012
    Inventor: Mark Andrew Gribble