Patents by Inventor Douglas Drew

Douglas Drew 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).

  • Plug connector with circuit breaker
    Patent number: 4307925
    Abstract: A plug connector engageable with an electrical outlet comprising an insulating body encapsulating circuitry providing pathways for electrical current delivered by said connector to an associated power cord and having a deep, blind-end, socket for an elongated circuit breaker; there being a gap in said circuitry interrupting a said pathway with both terminals of the gap in position at the blind-end of said socket to be bridged by said circuit breaker.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: December 29, 1981
    Assignee: Noma Canada Ltd.
    Inventor: Douglas Drew
  • Plug for electric cord
    Patent number: D264582
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: May 25, 1982
    Assignee: Noma Canada Ltd.
    Inventor: Douglas Drew