Patents by Inventor Richard R. Dukes

Richard R. Dukes 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).

  • Buttock and tail bone protection device for use during sit-ups
    Patent number: 6336895
    Abstract: A buttock and tail bone protection device for use during sit-ups for protecting the tail bone region when doing sit-ups especially on a hard floor. The buttock and tail bone protection device for use during sit-ups includes a thin flexible support member having a smooth bottom side and a contoured top side with a ridge having a first end at one of the vertexes and extending centrally upon the top side and ending short of a side which is opposed to the vertex. The ridge is adapted to fit about the tail bone region of the user including the crevice between the buttock.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: January 8, 2002
    Inventor: Richard R. Dukes