Patents by Inventor Rosa I. Artozon Sylvester

Rosa I. Artozon Sylvester 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).

  • Patent number: 5618330
    Abstract: A composition having major concentrations of nitrogen, phosphorus, and potassium; trace quantities of aluminum and other metals; and chelating agent provides excellent protection against frost and stimulates growth of plants.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: April 8, 1997
    Inventor: Rosa I. Artozon Sylvester