Patents by Inventor Arnold Simpson

Arnold Simpson 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).

  • Tail-pipe extension
    Patent number: D351579
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: October 18, 1994
    Inventor: Arnold Simpson