Patents by Inventor Robert Doong

Robert Doong 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: D494507
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: August 17, 2004
    Assignee: ETW Cycle Engineering & Supply Inc.
    Inventor: Robert Doong