Patents by Inventor Sandra L. Downing

Sandra L. Downing 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).

  • Inducing polyploidy in oysters
    Patent number: 4834024
    Abstract: A method of inducing polyploidy in oysters through the use of hydrostatic pressure is disclosed. The method includes separating oysters from one another such that male oysters are separated from female oysters, inducing the oysters to spawn, controlling the temperature of eggs from the oysters, fertilizing the eggs with sperm to form zygotes and then subsequently applying hydrostatic pressure to the zygotes to induce polyploidy.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: May 30, 1989
    Assignee: Board of Regents of the University of Washington
    Inventors: Standish K. Allen, Jonathan A. Chaiton, Sandra L. Downing