Patents by Inventor Elizabeth M Marsh

Elizabeth M Marsh 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 vibration control
    Patent number: 6454303
    Abstract: A method and apparatus for a damped steering assembly are provided. The damped steering assembly includes a steering wheel attached to a steering column. Disposed between the steering wheel and the steering column is an active vibration control mechanism. The active vibration control mechanism damps vibration transmitted from the steering column to the steering wheel.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: September 24, 2002
    Assignees: Delphi Technologies, Inc., Active Control Experts, Inc.
    Inventors: Mansour Ashtiani, Kenneth Alan Gassman, Rale Richard Wolf, Robert N Jacques, Elizabeth M Marsh, Edward Crawley
  • Method and apparatus for vibration control
    Publication number: 20020008362
    Abstract: A method and apparatus for a damped steering assembly as disclosed herein. The damped steering assembly includes a steering wheel attached to a steering column. Disposed between the steering wheel and the steering column is an active vibration control mechanism. The active vibration control mechanism damps vibration transmitted from the steering column to the steering wheel.
    Type: Application
    Filed: February 9, 2001
    Publication date: January 24, 2002
    Inventors: Mansour Ashtiani, Kenneth Alan Gassman, Rale Richard Wolf, Robert N. Jacques, Elizabeth M. Marsh, Edward Crawley