Patents by Inventor Richard Ehrenfeld

Richard Ehrenfeld 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).

  • Publication number: 20070218422
    Abstract: An adjustable cheek retractor with saliva extracting tongue guard is designed with minimal parts to hold back cheeks, facilitate the removal of saliva, protect a patient's tongue and give a dental professional an unrestricted view of the patient's mouth, all without the need of an assistant to perform these duties. The tongue guard has various attachment slots allowing for adjustability in a forward and rearward direction in order to optimize fit and comfort for the patient. The cheek retractor and tongue guard come in various sizes, again to optimize fit and comfort. The tongue guard contains various holders to secure perforated tubing typically attached to a vacuum source in order to extract saliva from the patient's mouth. The tongue guard also contains a blind stop which is used to secure and plug the end of the vacuum tubing, allowing the perforations to be the points at which saliva is extracted.
    Type: Application
    Filed: February 23, 2007
    Publication date: September 20, 2007
    Inventor: Richard Ehrenfeld