Patents by Inventor Dave E. Sharpe

Dave E. Sharpe 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).

  • Lighter actuation system
    Patent number: 5902501
    Abstract: The present invention provides a cigarette identifier system comprising a coil at a location along the cigarette-receiving receptacle of the lighter, an oscillation circuit in communication with the coil and a controller configured to activate or deactivate the lighter responsively to output of the oscillator circuit.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: May 11, 1999
    Assignee: Philip Morris Incorporated
    Inventors: H. Neal Nunnally, Dave E. Sharpe, Michael L. Watkins, Douglas J. Ely, Neal R. Butler, Patrick J. Cobler