Patents by Inventor Marvin L. Martin

Marvin L. Martin 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).

  • Jump rope exercise system
    Patent number: 8182400
    Abstract: A pole has upper and lower ends and upper, lower and intermediate regions. A rope has interior and exterior ends. The rope is fabricated of a flexible material. An interior connector couples the interior end of the rope to the lower region of the pole. A weight is provided. An exterior connector couples the exterior end of the rope to the interior extent of the weight.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: May 22, 2012
    Inventor: Marvin L. Martin