Patents by Inventor Alfonso J. Riscoe, Jr.

Alfonso J. Riscoe, Jr. 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).

  • Portable traffic light
    Patent number: 5400019
    Abstract: A portable traffic control device for temporary use capable of both automatic and manual operation which portable control device can be raised or lowered by hand and having a horizontal boom which folds down to a vertical position and with an adjustable and collapsible tripod stand and an electrical control circuit.
    Type: Grant
    Filed: August 17, 1993
    Date of Patent: March 21, 1995
    Inventor: Alfonso J. Riscoe, Jr.