Patents by Inventor Lee R. Heimann

Lee R. Heimann 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).

  • Barricade light with light emitting diode
    Patent number: 5469157
    Abstract: A barricade light is retrofitted to receive a light emitting diode circuit. The circuit includes both a pulse activated switch and light sensitive switch for operation.
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: November 21, 1995
    Assignee: CBD, Inc.
    Inventors: Thom D. Carpenter, Lee R. Heimann