Patents by Inventor Robert J. Downs, Jr.

Robert J. Downs, Jr. 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: 6497575
    Abstract: A teeth whitening system includes a heating module, a mouthpiece thermally connected to the heating module such that heat can be transferred to the mouthpiece, and a thermocatalytically activated whitening gel positioned in the mouthpiece such that the gel contacts a user's teeth, whereby when heat is transferred from the heating module to the mouthpiece, the gel is activated by heat, metal surface catalysis, and water or saliva to whiten the user's teeth.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: December 24, 2002
    Inventors: Peter D. Zavitsanos, Robert J. Downs, Jr.