Patents by Inventor Kenneth M. Risher

Kenneth M. Risher 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).

  • Tensioned projection screen
    Patent number: 7369310
    Abstract: A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: May 6, 2008
    Assignee: Draper, Inc.
    Inventor: Kenneth M Risher
  • Tensioned projection screen apparatus
    Patent number: 7113332
    Abstract: A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame, a screen, and a screen coupler configured to couple the screen to the frame.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: September 26, 2006
    Assignee: Draper, Inc.
    Inventor: Kenneth M. Risher
  • Tensioned projection screen apparatus
    Patent number: 6785047
    Abstract: A projection apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame, a screen, and a screen coupler configured to couple the screen to the frame.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: August 31, 2004
    Assignee: Draper, Inc.
    Inventor: Kenneth M. Risher