Patents by Inventor Robert P. Linzey

Robert P. Linzey 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).

  • Gum massager
    Patent number: 5027796
    Abstract: A periodontal tool for use in promoting good oral hygiene by helping to control both oral plaque and inflammation of gingiva tissues (gums) is disclosed. A half-cylinder shaped head or mouthpiece, comprising sturdy, relatively short, closely packed nodules, is attached to a handle device, whereby it can provide a gently stimulating action.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: July 2, 1991
    Inventor: Robert P. Linzey
  • Gum massager
    Patent number: D332177
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: January 5, 1993
    Inventor: Robert P. Linzey
  • Head for a gum massager
    Patent number: D346446
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: April 26, 1994
    Inventor: Robert P. Linzey