Patents by Inventor Frank L. Clark

Frank L. Clark 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 relieving ear pain
    Patent number: 5009228
    Abstract: A device for relieving inner ear pain comprised of a cup-shaped housing having a base, an interior adapted to fit over a user's outer ear, a hollow chamber in registry with the base of the cup-shaped member, and a heat dispersing medium disposed in the hollow chamber. A heat generating unit is integrally contained within the housing for heating the heat dispersing medium.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: April 23, 1991
    Inventor: Frank L. Clark
  • Pain reliever for the ear
    Patent number: D322677
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: December 24, 1991
    Inventor: Frank L. Clark