Patents by Inventor Mark Friesen

Mark Friesen 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).

  • Desktop computer
    Patent number: D381012
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 15, 1997
    Assignee: Packard Bell Electronics, Inc.
    Inventors: Hartmut H. Esslinger, Mark Friesen, Gadi Amit
  • Desktop computer
    Patent number: D386750
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: November 25, 1997
    Assignee: Packard Bell Electronics, Inc.
    Inventors: Hartmut H. Esslinger, Mark Friesen, Gadi Amit
  • Keyboard
    Patent number: D401924
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: December 1, 1998
    Assignee: Packard Bell NEC, Inc.
    Inventors: Hartmut H. Esslinger, Mark Friesen