Patents by Inventor Peter Heembrock

Peter Heembrock 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).

  • Shadow mask for backlit LCD
    Patent number: 5870156
    Abstract: A backlit liquid crystal display device having company branding. The device includes a liquid crystal display, a diffuser panel with associated lighting means, and a reflector panel to re-direct light towards a viewing surface of the display. A pattern of dots or lines in the form of a company logo or trademark is strategically located so as to provide company branding of the display when operated in a backlit mode.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: February 9, 1999
    Assignee: Northern Telecom Limited
    Inventor: Peter Heembrock