Patents by Inventor Michael Leigh

Michael Leigh 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).

  • Protective beacon
    Patent number: 6809651
    Abstract: A portable beacon (8) for deterring damaging access to a deactivatable hazard comprises means for deactivating the hazard in the event of actual or impending damaging access to the hazard, deterrence means (12) and sensors (13, 23, 24) for sensing when damaging access is impending or actually occurring.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: October 26, 2004
    Assignee: Benfell's Limited
    Inventor: Michael Leigh
  • Protective beacon
    Publication number: 20040036628
    Abstract: A portable beacon (8) for deterring damaging access to a deactivatable hazard comprises means for deactivating the hazard in the event of actual or impending damaging access to the hazard, deterrence means (12) and sensors (13, 23, 24) for sensing when damaging access is impending or actually occurring.
    Type: Application
    Filed: April 30, 2003
    Publication date: February 26, 2004
    Inventor: Michael Leigh