Patents by Inventor C. Julian Ray

C. Julian Ray 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).

  • Integral root barrier panel and combination
    Patent number: 5528857
    Abstract: A set of tree root barrier panels, each of which can be injection-molded as a single integral unit. Each has a female element formed by alternating recessed portions that open in opposite directions relative to each other.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: June 25, 1996
    Assignee: Deep Root Partners, L.P.
    Inventors: Frank D. Ashleigh, Leonard N. Albrecht, C. Julian Ray