Patents by Inventor Dell E. Klotz

Dell E. Klotz 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).

  • Patent number: 4617562
    Abstract: There is disclosed a multicolored liquid crystal display for use in intensity level measuring devices of the general type in which the intensity level is converted into a corresponding voltage such as vibration meters. The liquid crystal display has a plurality of shutters. Each shutter defines a display window that is a selected color, and each shutter is activatable by a unique voltage input level. Colors for the display windows are selected which have a universal meaning so that the readout may be easily understood.
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: October 14, 1986
    Inventor: Dell E. Klotz