Patents by Inventor Susan E. Leighton

Susan E. Leighton 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).

  • Control unit for controlling a strobe light or the like
    Patent number: 5449976
    Abstract: A control unit for controlling a strobe light or the like, in particular for use in an alarm system or an emergency locator, is characterized in that a direct current power supply unit is provided which is activated to drive the strobe light when an external power supply unit which is adapted to drive the strobe light is deactivated.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: September 12, 1995
    Inventors: Raymond J. Kemp, Susan E. Leighton, Philip D. Hawkins