Patents by Inventor Graham Due

Graham Due 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).

  • Tubular plant guards
    Patent number: 6219962
    Abstract: A plant guard is made of a sheet of material which is formed into a tubular shape. Side marginal edges of the sheet are secured together by a fastener. A flap is formed at one end adjacent one side marginal edge, the flap being folded, in use, over a supporting wire so that the wire passes in front of and adjacent the engaged marginal edges to prevent disengagement thereof.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: April 24, 2001
    Inventor: Graham Due