Patents by Inventor Roger Pherson

Roger Pherson 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).

  • DENTAL APPARATUS AND METHOD USING OZONE AND AN AQUEOUS MEDIUM
    Publication number: 20080050701
    Abstract: Apparatus and method for the treatment of dental caries includes a source of oxidizing gas, an aqueous medium and a handpiece for delivering the gas and aqueous medium to a tooth. A cup attached to the handpiece is provided for receiving the gas and exposing a selected area of the tooth to the gas and aqueous medium. The cup includes a resilient edge for sealably the edge for engaging the tooth around the selected area to prevent escape of gas and aqueous medium therepast.
    Type: Application
    Filed: October 30, 2007
    Publication date: February 28, 2008
    Inventors: Edward Lynch, Jurgen Schemmer, Aylin Baysan, Gregory Holland, Tom Weisel, Roger Pherson