Patents by Inventor Joseph R. Marshalek

Joseph R. Marshalek 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).

  • Active link for a stabilizer bar
    Patent number: 5186486
    Abstract: A reciprocable rod link is mounted in the housing and connected to a stabilizer bar. A gear rack is provided on an outer surface of the rod link. A drive gear is rotatably mounted in the housing and meshed with the gear rack. A controller operates a drive unit to vary the resistance of the drive gear, and thus the direction and length of travel of the rod link.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: February 16, 1993
    Assignee: General Motors Corporation
    Inventors: Ernest J. Hynds, Joseph R. Marshalek