Patents by Inventor Charles J. Matthews

Charles J. Matthews 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: 4944289
    Abstract: A headache relieving headband is disclosed. The headband includes an annular strip of material having an outwardly presented surface and an inwardly presented surface. A channel is defined by the inwardly presented surface and the outwardly presented surface and extends longitudinally along at least a portion of the annular strip of material. A plurality of pressure inducers are adapted to apply pressure simultaneously to preselected points on the cranium.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: July 31, 1990
    Inventor: Charles J. Matthews