Patents by Inventor Gordon W. Gray

Gordon W. Gray 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).

  • Dispenser for viscous liquids
    Patent number: 5992709
    Abstract: A viscous liquid dispenser (1) having a dispensing container (6) with a dispenser bottom (2) having a multiplicity of drainage holes (3) a grooved track (5) within the inside wall of the dispensing container parallel to and above the dispenser bottom, and a slidable damming plate (4) having a multiplicity of drainage holes (3) which is mounted in the grooved track and is capable of sliding between a closed position (FIG. 2) wherein the drainage holes of the slidable damming plate and the dispenser bottom are not aligned and an open position (FIG. 3) wherein the drainage holes of the slidable damming plate and the dispenser bottom are aligned is provided.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: November 30, 1999
    Assignee: Princeton University
    Inventors: Gordon W. Gray, Donald H. Peoples