Patents by Inventor Robert E. Schubert

Robert E. Schubert 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).

  • Mouth prop and oral evacuation device
    Patent number: 4167814
    Abstract: A combination mouth prop and oral evacuation device for use by a dentist includes a mouth prop for fitting between the upper and lower jaws for holding the mouth open, an attached, generally U-shaped suction tube secured to the mouth prop and fitted inside the lower jaw below the tongue and inside the teeth, for drawing fluids from within the mouth during dental work therein, and a tongue guard on the suction tube.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: September 18, 1979
    Inventor: Robert E. Schubert