Patents by Inventor Edward E. Schroeder

Edward E. Schroeder 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).

  • Rotatable keyboard
    Patent number: 3980869
    Abstract: A data processing console having a rotatable keyboard.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: September 14, 1976
    Assignee: Litton Business Systems, Inc.
    Inventors: Paul A. Lombardino, Jean H. Wickstead, Edward E. Schroeder