Patents by Inventor Robert L. Lee, deceased

Robert L. Lee, deceased 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).

  • System for establishing a reference plane for dental casts
    Patent number: 6109917
    Abstract: Dental apparatus which can determine a patient-specific reference plane so that the patient's teeth can be aesthetically oriented to an aesthetic axis-horizontal reference plane. The apparatus includes a face bow, an adjustable nasion relator assembly, a level gauge and a bite fork. The nasion relator assembly, along with the level gauge, enables the face bow to be moved to a level orientation.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: August 29, 2000
    Assignee: Arlene M. Lee
    Inventors: Robert L. Lee, deceased, Thomas E. Lee