Patents Assigned to Metpath Inc.
  • Method and apparatus for collecting saliva
    Patent number: 4418702
    Abstract: A method and apparatus for collecting saliva from a test subject comprises providing a flavored absorbent mass, such as a sponge, for mastication and charging with saliva and then expressing the saliva from the mass. Apparatus for this method comprises a barrel-piston arrangement in association with a specimen vial for storage until diagnostic testing.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: December 6, 1983
    Assignee: Metpath Inc.
    Inventors: Paul Brown, Joseph O'Brien