Patents by Inventor Graham J. Wright

Graham J. Wright 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).

  • Plant growing system
    Patent number: 5979111
    Abstract: A plurality of plant flats are supported on a movable plant flat support rack positioned adjacent an irrigation trough for movement between an upper position and a lower position; idler rollers on the support rack engage inclined tracks on opposite sides of the irrigation trough so that horizontal movement of the support rack results in vertical movement of the support between an upper position in which the flats are above the upper surface of the trough liquid and a lower position in which the bottom of the flats is immersed in the liquid in the trough. A portable dive assembly is connected to the plant flat for support effecting horizontal movement of the rolls.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: November 9, 1999
    Assignee: Speedling, Inc.
    Inventors: Robert M. Brown, Sandra Fay Fischbein, Graham J. Wright