Patents by Inventor Melvin A. Shields

Melvin A. Shields 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).

  • Angulated bristle toothbrush
    Patent number: 5274873
    Abstract: A toothbrush assembly includes a handle having a toothbrush head mounted at a forward distal end of the handle, with the handle head having a head top surface. Plural rows of bristle columns are mounted fixedly to the handle head's top surface, with the bristle rows arranged in varying angulations towards a forward or rear end of the toothbrush head to accommodate access to various portions of an individual's mouth during a toothbrushing procedure.
    Type: Grant
    Filed: April 23, 1992
    Date of Patent: January 4, 1994
    Inventor: Melvin A. Shields