Patents by Inventor Lyall John Causby

Lyall John Causby 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).

  • Sprinkler base
    Patent number: D404463
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: January 19, 1999
    Assignee: Antelco Pty. Ltd.
    Inventors: William E. Antel, Lyall John Causby, Mark Simon Ledson
  • Watering device support stake
    Patent number: D407281
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: March 30, 1999
    Assignee: Antelco Pty. Ltd.
    Inventors: William Eric Antel, Lyall John Causby, Cosimo Iacopetta