Patents by Inventor Raymond W. Dunbrack

Raymond W. Dunbrack 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).

  • Circuit breaker with indicator lights
    Patent number: 5353014
    Abstract: A circuit breaker arranged with overload sensing, switches and LED indicators. Provided is a green LED (42) which when lit indicates that the circuit is blown and so the electrical wires from the breaker are not powered--the wires are "dead"; a red LED is also provided to indicate, when lit, that the electrical wires are powered or "live", in addition there is an amber third LED (52) which, when lit, indicates that a short circuit overload is still connected to the breaker output terminals.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: October 4, 1994
    Inventors: John T. Carroll, Raymond W. Dunbrack