Patents by Inventor Levi Haddock, Jr.

Levi Haddock, Jr. 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: 4863596
    Abstract: A special, easy to use, economical frame is provided to quickly and efficiently align water purification cells in a vertical stack. The dependable, effective frame has moveable side and back posts and convenient crank or slide rod adjustments.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: September 5, 1989
    Assignee: Amoco Corporation
    Inventors: Gary L. O'Callaghan, Levi Haddock, Jr., John D. Cox