Patents Assigned to U.S. Foundry & Mfg. Corp.
  • Fertilization grate and trough system
    Patent number: 7784217
    Abstract: Disclosed is a fertilization system that finds particular use within a paved surface. The invention allows the root structure of a plant or tree to be hydrated and fertilized by way of an expansible and configurable trough and grate assembly. The trough includes a number of different components that fit together with a tongue and groove interconnection. The trough includes drainage apertures that allow water to run through the grate and into an associated fertilization pit.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: August 31, 2010
    Assignee: U.S. Foundry & Mfg. Corp.
    Inventors: Adam San Solo, Rhonda Gracie, Richard H. Purvis