Patents by Inventor Walter B. Schulz

Walter B. Schulz 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).

  • Integrated switch and backlight assembly
    Patent number: 6861600
    Abstract: Integrated switch and backlight assembly includes a flexible light panel disposed between a circuit board and a keypad for backlighting the keypad. On the back side of the light panel is a back reflector having a plurality of contacts for selectively establishing electrical contact with the circuit board upon actuating selective portions of the keypad to cause corresponding portions of the light panel and back reflector to flex toward the circuit board.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: March 1, 2005
    Assignee: Lumitex, Inc.
    Inventors: Walter B. Schulz, David J. Page