Patents by Inventor Frank Lee O'Brien

Frank Lee O'Brien 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: D421318
    Type: Grant
    Filed: February 23, 1999
    Date of Patent: February 29, 2000
    Assignee: Evergreen Solutions, Inc.
    Inventors: Frank Lee O'Brien, Charles G. Standen