Patents by Inventor Barrett Clifford Bull

Barrett Clifford Bull 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).

  • Foliar fertilizers
    Patent number: 6328780
    Abstract: A foliar fertiliser composition providing for an enhanced crop characteristic in a crop. The composition is made of soluble compounds of the following trace elements in the following ranges of relative proportions of the respective element by weight, 0.5 to 4.0 copper, 2.0 to 10.0 zinc, 2.5 to 12 manganese, 5 to 14.0 iron, 0.5 to 6.5 boron, 0 to 0.3 molybdenum.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: December 11, 2001
    Assignees: Hi-Fert Pty LTD, Springbrook Nominees, Pty LTD
    Inventors: Barrett Clifford Bull, Ian David Kaehne