Patents by Inventor Edison R. Brandt

Edison R. Brandt 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).

  • Subterranean irrigation system
    Patent number: 4065926
    Abstract: An irrigation system employing, in part, a coarse screen or grid of flexible material having internal interconnecting passages for the flow of water or the like therethrough, the grid beng interred under the area of ground which is to be watered. Orifices are distributed along the interconnecting passages to release the water by gravity feed from a source or reservoir.
    Type: Grant
    Filed: July 18, 1975
    Date of Patent: January 3, 1978
    Inventor: Edison R. Brandt