Patents by Inventor Clifton W. Marshall

Clifton W. 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).

  • Patent number: 5110071
    Abstract: A personnel capsule extraction apparatus having a personnel capsule mounted on extraction platform which is ejected from a low flying aircraft at an altitude between five and ten feet above the ground. A drougue parachute is utilized to deploy a large extraction parachute which pulls the personnel capsule out of the aircraft.
    Type: Grant
    Filed: April 18, 1990
    Date of Patent: May 5, 1992
    Assignee: The United States of America as Represented by the Secretary of the Air Force
    Inventors: Henry J. Hunter, Clifton W. Marshall, Kenneth Cunningham, Marvin A. Tingdahl