Patents by Inventor Mark Chaulk

Mark Chaulk 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).

  • Publication number: 20080070759
    Abstract: A dumbbell supporting device comprises a cradle for supporting a dumbbell therein and a frame adjustably supporting the cradle thereon at a selected one of various heights above the ground. A worm gear driven lift mechanism safely raises the dumbbells from ground level to the user's desired starting position for the exercise they are performing. The device eliminates the need for unnecessary lifting, making for a safer and more efficient workout.
    Type: Application
    Filed: April 20, 2007
    Publication date: March 20, 2008
    Inventor: Mark Chaulk