Patents by Inventor Sophie Leontopoulou

Sophie Leontopoulou 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 health guide
    Patent number: 6382978
    Abstract: A guide (1) for assessing the general health of the oral cavity comprises at least one indicator (8), characterised in that the indicator (8) is capable of being compared with gums to provide an indication of the general state of the health of the gums.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: May 7, 2002
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Sophie Leontopoulou, Ivor Martindale