Patents by Inventor Donald J. Liddle

Donald J. Liddle 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: PP5488
    Abstract: A new Cupressus macrocarpa which is a sport of the Cupressus macrocarpa known as "Cupressus Gold Spread".
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: June 11, 1985
    Inventor: Donald J. Liddle