Patents by Inventor Leslie C. Harvey

Leslie C. Harvey 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).

  • Display circuit
    Patent number: 4902939
    Abstract: A discharge tube opening circuit for varying tube intensity at regular intervals without flicker between an illuminated and an unilluminated state. Combinations of tubes controlled by respective circuits give rise to novel display arrangements through choice of tube colors and particular sequences of variation of luminous intensity.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: February 20, 1990
    Assignee: Mosaic Rentals Pty., Ltd.
    Inventor: Leslie C. Harvey