Patents by Inventor Steven C. Townsend

Steven C. Townsend 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).

  • Structurally degradable root directive tree planter box
    Patent number: 4665645
    Abstract: A planter box for controlling the root growth of newly planted trees so that the roots emanate at a level spaced below grade, characterized by structurally degradable panels that yield to growth of the root system so as to separate and disintegrate in time as the tree matures and increases in caliper, and preferably made of disintegratable homoplastic material.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: May 19, 1987
    Inventors: Howard Schau, III, Steven C. Townsend