Patents by Inventor David P. Jackson, Jr.

David P. Jackson, Jr. 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: 7794375
    Abstract: A hamstring exercise apparatus preferably includes a frame provided with a seat section, handle bars, rear axle, rear wheels and swiveling front wheels. The seat section is mounted at a front end of the frame such that the frame is provided with a first opening intermediately disposed between the rear axle and the seat section for receiving user feet therethrough while the user is seated on the seat section and facing the rear end of the frame. Such a frame is further provided with a second opening intermediately disposed between the handle bars. The second opening receives the user feet therethrough while the user is seated on the seat section and facing the front end of the frame. Such first and second openings are advantageously provided for providing room for feet or foot placement and leg movements as the hamstring exercise apparatus is propelled forward during use.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: September 14, 2010
    Inventors: David P. Jackson, Jr., Warren McCoy