Patents by Inventor Darren L Allen

Darren L Allen 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: D442650
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: May 22, 2001
    Inventor: Darren L Allen