Patents by Inventor Darrell G. Jones

Darrell G. Jones 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: 6448905
    Abstract: A robotic traffic signalling device for reducing the need for deploying workers at various construction sites.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: September 10, 2002
    Inventor: Darrell G. Jones