Patents by Inventor William P. Mathews, Sr.

William P. Mathews, Sr. 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: 5564844
    Abstract: An apparatus for the automatic adjustment of the inclination angle of a keyboard during use by an operator. The unit operates by a motorized camshaft raising and lowering the back end of a hinged platform that supports a computer keyboard or other input device. The rate of change of the inclination angle and the inclination height are adjustable by the operator. The apparatus is useful in the prevention or alleviation of the effects of repetitive motion disease or carpal tunnel syndrome.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: October 15, 1996
    Inventors: John L. Patterson, Jr., Pat Pryor, William P. Mathews, Sr.