Patents by Inventor Douglas K. Lee, Sr.

Douglas K. Lee, Sr. 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: D534012
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: December 26, 2006
    Inventor: Douglas K. Lee, Sr.