Patents by Inventor Michael L. Lees

Michael L. Lees 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: 5340566
    Abstract: A method is disclosed for treating and preventing gingivitis involving a patient desiring to prevent the progression of gingivitis the method comprising brushing the patient's teeth with a toothpaste at least two times a day and the patient chewing a chewing gum for at least 20 minutes at about two and about three hour intervals after having eaten each of at least two daily meals.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: August 23, 1994
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Susan E. Greenfeder, Bill Seiden, Michael L. Lees