Patents by Inventor Gilbert E. Travis

Gilbert E. Travis 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).

  • Lubrication control
    Patent number: 4928644
    Abstract: A three-piece lubrication control for a valve stem of an internal combustion engine comprises removably engaged plastic ring and sleeve members, and an elastomeric grommet positively held in the ring member.
    Type: Grant
    Filed: July 30, 1989
    Date of Patent: May 29, 1990
    Inventor: Gilbert E. Travis