Patents Assigned to Gro-Guard Australia Pty. Ltd.
  • Patent number: 5809690
    Abstract: A plant guard is formed from a panel of plastics material which is folded into a tubular shape with the adjacent vertical margins of the panel being connected together by a reclosable zip-type fastener which comprises fastener strips. Each strip has a locking profile portion which is adapted to releasably interlock with the locking profile portion of the other strip. The fastener strips are secured to opposite edge portions of the panel by heat welding or by an adhesive.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: September 22, 1998
    Assignee: Gro-Guard Australia Pty Ltd
    Inventors: Graham Richard Due, Leigh Gryst
  • Patent number: D347170
    Type: Grant
    Filed: September 29, 1992
    Date of Patent: May 24, 1994
    Assignee: Gro-Guard Australia Pty. Ltd.
    Inventors: Graham R. Due, Robert A. Turnbull, Leigh Gryst
  • Patent number: D353767
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: December 27, 1994
    Assignee: Gro-Guard Australia Pty Ltd.
    Inventors: Graham R. Due, Robert A. Turnbull, Leigh Gryst