Patents by Inventor David Perk

David Perk 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).

  • Display screen with graphical user interface
    Patent number: D687852
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: August 13, 2013
    Assignee: Microsoft Corporation
    Inventors: Brian Glaeske, Michaelvincent Santos, Tonya B. Omdahl, Brian Fitzgerald, David Perk
  • Display screen with graphical user interface
    Patent number: D701529
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: March 25, 2014
    Assignee: Microsoft Corporation
    Inventors: Hans Gjaerup Have, David Perk, Ray Ridl