Patents by Inventor Billy J. Gregory

Billy J. Gregory 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: D308025
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: May 22, 1990
    Assignee: Witco Corporation
    Inventor: Billy J. Gregory