Patents by Inventor Marcus Sittenfield

Marcus Sittenfield 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).

  • Patent number: 4477357
    Abstract: Process for detoxifying liquid and perverulant solid material by the application of ultrasonic energy to the material in the presence of an alkaline agent and preferably in the additional presence of a wetting agent.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: October 16, 1984
    Assignee: Hazardous Waste Management, Inc.
    Inventor: Marcus Sittenfield