Patents by Inventor Matthew D. Dennis

Matthew D. Dennis 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 with an array of electromagnetically operable elements
    Patent number: 6111759
    Abstract: A display array including a board resembling a printed circuit board or printed wiring board to which are pivotally mounted a plurality of display elements whose appearance in a viewing direction is controlled by a sense of magnetization of a core which extends through a bore in the board. A conducting coil formed on the surface of the board is located so that current in the coil will magnetize the core.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: August 29, 2000
    Assignee: Mark IV Industries Limited
    Inventors: Veso S. Tijanic, Matthew D. Dennis, Coeman L. S. Wong, Van H. Le
  • Board for mounting display element
    Patent number: 5933329
    Abstract: A board usually resembling a PCB or a PWB mounts a display element, whose appearance in a viewing direction is controlled by the sense of magnetization of a core which extends through a bore in the board. A conducting coil formed on the surface of said board is located so that current in said coil will magnetize the core.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: August 3, 1999
    Assignee: Mark IV Industries Limited
    Inventors: Veso S. Tijanoc, Matthew D. Dennis, Coeman L. S. Wong, Van H. Le
  • Board for mounting display element
    Patent number: 5809675
    Abstract: A board usually resembling a PCB or a PWB mounts a display element, whose appearance in a viewing direction is controlled by the sense of magnetization of a core which extends through a bore in the board. A conducting coil formed on the surface of said board is located so that current in said coil will magnetize the core.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: September 22, 1998
    Assignee: Mark IV Industries Ltd.
    Inventors: Veso S. Tijanic, Matthew D. Dennis, Coeman L. S. Wong, Van H. Le