Patents by Inventor Craig R. Rippen

Craig R. Rippen 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).

  • Smart cross programmable vehicle and pedestrian signage with electronic display and infrared remote control
    Patent number: 6147623
    Abstract: A smart cross electronic traffic sign for the control of vehicle and pedestrian traffic with programming and control by infrared remote control. The device is lightweight and easily portable. Messages can be displayed in the color of the normal traffic sign for the condition displayed. An audible message duplicates the message displayed.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: November 14, 2000
    Inventor: Craig R. Rippen