Patents by Inventor Darwin Randolph

Darwin Randolph 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).

  • Self-piercing gutter outlet
    Patent number: 6125593
    Abstract: A self-piercing gutter outlet for connecting a downspout to a gutter. The self-piercing gutter outlet includes a tubular sleeve having open top and bottom ends. An outwardly radiating upper flange is extended around the sleeve at the top end of the sleeve. The bottom end of the sleeve has a serrated lower edge therearound.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 3, 2000
    Inventors: Darwin Randolph, Mary Randolph