Patents by Inventor Telford L. Dorr

Telford L. Dorr 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).

  • Integrating graphics input device
    Patent number: 5287121
    Abstract: A graphics input device for use with a graphics processing system includes a stylus which can be manually manipulated by a user to generate graphics input signals representative of a graphics object to be drawn in a circumscribed area on a display device controlled by the graphics processing system. The graphics input device also includes a grip which can be manually manipulated by the user to generate positioning signals for repositioning the circumscribed area on the display.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: February 15, 1994
    Inventors: William M. Louis, Telford L. Dorr
  • Integrating graphics input device
    Patent number: 5132671
    Abstract: A graphics input device for use with a graphics processing system includes a stylus which can be manually manipulated by a user to generate graphics input signals representative of a graphics object to be drawn in a circumscribed area on a display device controlled by the graphics processing system. The graphics input device also includes a grip which can be manually manipulated by the user to generate positioning signals for repositioning the circumscribed area on the display.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: July 21, 1992
    Inventors: William M. Louis, Telford L. Dorr
  • Integrating graphics input device
    Patent number: RE35342
    Abstract: A graphics input device for use with a graphics processing system includes a stylus which can be manually manipulated by a user to generate graphics input signals representative of a graphics object to be drawn in a circumscribed area on a display device controlled by the graphics processing system. The graphics input device also includes a grip which can be manually manipulated by the user to generate positioning signals for repositioning the circumscribed area on the display.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: October 1, 1996
    Assignee: William M. Louis
    Inventors: William M. Louis, Telford L. Dorr