Patents by Inventor Mary Anne Eldreth

Mary Anne Eldreth 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: 5924866
    Abstract: A dental appliance is made up of an elongated body having a substantially longitudinal axis with opposite end portions making up substantially flat surfaces extending laterally the axis for being engaged by teeth or endentulous areas of the upper and lower jaws of a patient. A circular opening is provided with in this middle region of the elongated body to allow the tube of a saliva and debris ejector to be positioned slidably therein, and within the mouth of a patient when the apparatus is being used. The elongated body is narrower between the flat surfaces of the bite pads for maximizing the visual field of a mouth to the person performing a dental procedure. The elongated body is deformable to ensure stable engagement between the teeth or endentulous region of the upper and lower jaws of a patient and the corresponding flat surface making up the bite pads of the elongated body.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: July 20, 1999
    Inventor: Mary Anne Eldreth
  • Patent number: 5769635
    Abstract: A dental appliance includes a circular ring member and two laterally extending rigid arm members which have bite pads on the ends thereof. The circular ring member includes an opening therethrough sized to slidably mount a saliva ejector. The arm members and the ring member are dimensioned to minimize the obstruction of the field of view of the mouth of a dental professional.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: June 23, 1998
    Inventor: Mary Anne Eldreth