Patents by Inventor Guy W. Harris

Guy W. Harris 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).

  • Graphing calculator with manual line drawing
    Patent number: 6891541
    Abstract: A graphing calculator (10) having manual line drawing capability. The calculator (10) is programmed to receive data representing the begin point and end point of a line (FIGS. 7 and 8), and to then draw a line that includes these points (FIG. 9). The display includes a display of the line equation (FIG. 9). The slope and y-intercept of the line may be adjusted using cursor direction keys. As the line is adjusted, it is redrawn and the line equation is re-calculated and displayed (FIG. 10).
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: May 10, 2005
    Assignee: Texas Instruments Incorporated
    Inventor: Guy W. Harris