Patents by Inventor Paul Darwin Harrell

Paul Darwin Harrell 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).

  • Signal lamp
    Patent number: D549605
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: August 28, 2007
    Inventor: Paul Darwin Harrell
  • Slider bracket
    Patent number: D562112
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: February 19, 2008
    Inventor: Paul Darwin Harrell