Patents by Inventor Chris Stvartak

Chris Stvartak 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).

  • Enhanced dental hygiene system with direct UVA photoexcitation
    Patent number: 6902397
    Abstract: A device and a method for delivering UVA light to the mouth in which a photocatalytic agent is distributed in the mouth and a UVA light source is located contiguously to the head of the device so that the photocatalytic agent distributed in the mouth is efficiently activated by UVA light produced by the device. The UVA light delivery device of the invention may be, inter alia, a toothbrush, a tongue scraper, an interdental toothbrush, a denture brush, a flossing device, a dental hand tool, or a wand adapted exclusively to applying UVA light to photocatalyst coated surfaces.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: June 7, 2005
    Assignee: Sunstar Americas, Inc.
    Inventors: Lawrence W. Farrell, Kevin G. Yost, Chris Stvartak
  • Enhanced dental hygiene system with direct UVA photoexcitation
    Publication number: 20040019990
    Abstract: A device and a method for delivering UVA light to the mouth in which a photocatalytic agent is distributed in the mouth and a UVA light source is located contiguously to the head of the device so that the photocatalytic agent distributed in the mouth is efficiently activated by UVA light produced by the device. The UVA light delivery device of the invention may be, inter alia, a toothbrush, a tongue scraper, an interdental toothbrush, a denture brush, a flossing device, a dental hand tool, or a wand adapted exclusively to applying UVA light to photocatalyst coated surfaces.
    Type: Application
    Filed: August 1, 2002
    Publication date: February 5, 2004
    Inventors: Lawrence W. Farrell, Kevin G. Yost, Chris Stvartak