Patents by Inventor Robert L. Brumfield

Robert L. Brumfield 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: 5360386
    Abstract: A strength competition apparatus for pitting the entire bodily strength of one competitor against that of another. Each competitor is seated and operates an advancer for advancing his/herself in a relative forward direction using the advancer to apply leverage along a pair of transverse rails having a series of holes disposed within provided as part of the framework of the strength competition apparatus. By using the advancer to apply leverage against the transverse rails of the framework of the apparatus, each competitor attempts to prevent the opposing competitor from advancing forward as well. The present strength competition apparatus enables a competitor to engage in competition which pits his/her entire brute strength, of both the upper body and lower body, against that of another.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: November 1, 1994
    Inventor: Robert L. Brumfield