Patents by Inventor Robert A. Allis

Robert A. Allis 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).

  • Device for protecting neck and upper back during abdominal exercises
    Patent number: 5807220
    Abstract: An exercise device for use in exercising the abdominal muscles by performing sit-ups, which device protects the neck and upper back while the user performs such exercises.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: September 15, 1998
    Inventors: Robert A. Allis, Shelly M. Allis, Thomas A. Baird