Patents by Inventor Milton E. Schaefer

Milton E. Schaefer 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).

  • Intraoral cup for collecting saliva and method of using the same
    Patent number: 4114605
    Abstract: A saucer-shaped, resilient cup, sealed to a flat cover with an aperture in it to fit over the orifice of Stenson's duct from the parotid gland, adheres to the inside of the cheek, held in place by negative pressure, to collect the secretion of the parotid gland. Nothing protrudes from the mouth during collection of the sample.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: September 19, 1978
    Assignee: University of Alabama in Birmingham
    Inventors: Jerry R. McGhee, Milton E. Schaefer