Patents by Inventor Judith M. Marshall

Judith M. Marshall 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).

  • Method and apparatus for treating medical waste water
    Patent number: 6126830
    Abstract: Medical waste water is treated by passing it through a bioremediation tank and, thereafter, treating the water with ozone.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: October 3, 2000
    Inventor: Judith M. Marshall