Patents by Inventor John T. Lewandoski

John T. Lewandoski 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).

  • Molded case circuit breaker auxiliary power supply plug
    Patent number: 5446386
    Abstract: A molded case circuit breaker containing a digital trip unit is field-tested for both electronically-induced as well as mechanically-induced test conditions by means of a portable test kit unit. The test kit circuit components are contained within a miniature test plug that temporarily connects with the circuit breaker trip unit by insertion within the rating plug receptacle formed within the circuit breaker cover. A compact power supply plug is received within the test plug to provide operating power to the circuit breaker trip unit components and associated accessories.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: August 29, 1995
    Assignee: General Electric Company
    Inventors: John A. Pollman, Daniel J. DellaVecchia, Ira B. Goldman, John T. Lewandoski, Paul T. Rajotte