Patents by Inventor John R. Whiteford

John R. Whiteford 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).

  • Mirror securing device
    Patent number: 5669681
    Abstract: A device for securing a mirror in a projection television is disclosed. The device includes a cabinet having an aperture defined by edges. A shoulder element is located adjacent each of the edges, wherein each shoulder element extends underneath the aperture and is positioned for supporting peripheral edges of a reflection surface of the mirror. The device further includes a mirror cover plate located adjacent a back surface of the mirror and affixed to the cabinet. In addition, the device includes a securing element affixed between the back surface and the mirror cover plate for reducing deformation of said mirror.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: September 23, 1997
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Takayasu Ishikawa, Toshihiro Kikuchi, Takashi Kawabe, John R. Whiteford, James R. White