Patents by Inventor Earl C. Klaubert

Earl C. Klaubert 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: 4980679
    Abstract: A reusable identification badge having a time varying display with a programmable memory. The configurations exhibited on the display are altered at predetermined time intervals. A specific sequence of configurations, each having visually distinctive shapes or symbols, can be programmed for display on a liquid crystal display panel.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: December 25, 1990
    Inventor: Earl C. Klaubert