Patents Assigned to Minkey Farms Partnership
  • Patent number: 4392324
    Abstract: A face mask having an upper mask portion and a lower mask portion, each of which portions are connected respectively to two legs of a V-shaped element on which is inserted into the mouth of the mask wearer. A tooth grip provided on the V-shaped element allows the mask wearer to hold the mask firmly. Flexing of the V-shaped element at its hinge produces relative motion between the upper and lower mask portions. A metal element is attached to one leg of the V-shaped element for generating a clicking sound when the V-shaped element is flexed.
    Type: Grant
    Filed: August 5, 1981
    Date of Patent: July 12, 1983
    Assignee: Minkey Farms Partnership
    Inventors: Jeff Harris, Charles A. Chambers, Jack M. Horwitz