Patents by Inventor David J. Spicer

David J. Spicer 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 character
    Patent number: 4932756
    Abstract: A liquid crystal alphanumeric display character is disclosed which includes a central liquid crystal display element. The display character is multiplex-driven and is connected to a plurality of segment lines and a plurality of common lines in a plurality of groups. Provision of the central element allows the segment and common lines to address the display without any of the segment lines having to cross any of the common lines.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: June 12, 1990
    Assignee: Brookes & Gatehouse Limited
    Inventor: David J. Spicer