Patents by Inventor Michael B. Tybergein

Michael B. Tybergein 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).

  • Data entry digitizing tablet
    Patent number: D308364
    Type: Grant
    Filed: November 10, 1987
    Date of Patent: June 5, 1990
    Assignee: Data Entry Systems, Inc.
    Inventors: Tom Beasley, Jr., Peter F. Milly, Michael B. Tybergein
  • Toilet tank dispenser
    Patent number: D400642
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: November 3, 1998
    Assignee: The Clorox Company
    Inventors: Larry F. Morice, Lucinda A. Vejar, James E. Rader, Michael B. Tybergein, John K. Hobbs